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Crossing a Boundary

Summary:

“San, I’m literally in love with you, so don’t you dare say I don’t want you. Don’t you dare.”

“What…?” San felt like he couldn’t breathe. He had to be asleep, he had to be dreaming this whole thing up.

“I wasn’t all over you on the way home because you’re an omega. I was all over you because I’m in love with you and I love your scent more than anything. You didn’t take advantage of me. Yeah, I was really horny, and it definitely felt like my dick was going to fall off, but I made the choice to bring you into the bathroom. I chose to blow you and taste your slick. That’s on me, not you. I just spent my entire rut trying not to think about fucking you because you rejected me. So, please, shut up,” Wooyoung whispered.

-

Wooyoung's rut is triggered far from home and San has a hard time dealing with it.

Notes:

I am only somewhat proud of this, but there are definitely good parts! I thought of this a while ago, then started and stopped writing for weeks. It's a miracle it's finished if I'm honest.

Also, this is my first posted Ateez fic, and I know San acts out of character, but that's okay.

Work Text:

Wooyoung and San were roaming around the festival happily before everything went wrong. It was loud and there were too many scents in the air, but that’s just how it worked. A quiet festival would’ve been really boring, truly and Wooyoung definitely preferred the chaos. 

They had traveled pretty far from their college apartment, taking a train and a bus to get here, but Wooyoung had insisted it would be fun and San was a sucker for Wooyoung asking for literally anything. 

The pair were standing at a table, with San watching as Wooyoung charmed the vendor into lower prices for the bracelets they were looking at. It was working too, before a girl crashed into Wooyoung, knocking both of them to the ground. She sprawled out on top of him, and it only took an inhale for both of the men to realize that this girl was an omega in heat. 

“Alpha… You smell so good…” the girl moaned but was quickly cut off by two more girls showing up and pulling her off of Wooyoung, apologizing profusely. They reeked of distress. 

“I’m so sorry. Some guy gave her a drink, and it set off her heat. We’re trying to get her home, but she keeps jumping every alpha she sees. I’m so sorry!” One girl cried out as they had to restrain the omega who was very much ready to jump the next person who smelled good. 

San, who was an omega himself, felt awful thinking about what was happening to the girl. He wanted to help, but he definitely had to get Wooyoung off the floor first. The younger man was staring up at the sky in a daze. Damn pheromones. 

“Youngie, are you okay?” San asked, leaning over his friend. Wooyoung’s eyes suddenly snapped toward San, and he smiled. San’s heart stuttered at the brightness Wooyoung still had, even after being knocked to the floor. 

“I think so,” he said as he clambered off the ground. As he dusted himself off, San turned back to the three girls, one of which was definitely close to tears. 

“I’m an omega too. Do you need help with her?” He offered, his hands hanging in the area when the omega in heat started leaning too far to one side. Her friends compensated for her, and he dropped his hands back to his sides. 

“We just need to get her to the car. It’s in a lot down the street. Could you walk us?” The girl, close to tears, asked. 

Even as an omega, a guy would always be a better deterrent towards creeps than any female alpha. Though San would prefer people to just mind their goddamn business, but you know, that’s clearly impossible. 

The two girls wrapped the omega’s arms around their shoulders and carried her off the festival grounds. San was quick behind them, glaring at all passersby who smelled a little too musky, a little too alpha. 

Male omegas were rare, though more and more were presenting every day. Truthfully, San’s instincts were a huge reason he was following these three girls and suppressing his own rage. Male omegas were known for being as protective as alphas over other omegas, an odd side effect of presentation that only seemed to appear in them. Female omegas just did not have the same protective instinct, and San didn’t know who he would be if he didn’t have that urge to keep people safe. He didn’t think he would be himself. 

As they crossed the road, San glanced back to check Wooyoung, who was following at a respectable distance. Alphas always presented later than betas and omegas, and Wooyoung had only been through 3 ruts at this point. His alpha was young and pliable, just the smell of an omega in pre-heat could set off a rut. San couldn’t help but worry for him, but he looked like he was okay. 

In a matter of minutes, the group reached a parking lot filled with cars. The girls weaved through them, pulling their heat-drunk friend between them. The omega was whining out for relief, but she wouldn’t find any here. San hoped she had a nest at home waiting for her because she didn’t seem to be lucid enough to build one. Going through heat without one was god-awful. 

San watched as they loaded her into the car and tried to assure them it really wasn’t a big deal for him to walk them there when they started profusely apologizing and thanking him. He really was just glad that she was safe. In the back seat, the omega was cuddling up with the jacket of one of her friends, and she looked happy enough to be there. 

San stood there as they pulled away and nearly jumped out of his skin when he turned around to find Wooyoung only a foot away from him. The alpha looked tired, but San couldn’t figure out why. The alpha had just been so excited and energetic. 

“We smell like heat,” Wooyoung said, pouting. San couldn’t suppress the giggles as he wrapped his arm around Wooyoung’s waist. 

“Let’s go to that pharmacy over there, then. They’ll have scent neutralizers,” San pointed out. Wooyoung nodded and followed behind San. He was acting odd, staying silent and latching his hand onto San’s like he might die if he pulled away, but San pushed the thought away. He figured it was just him dealing with the heat scent on his skin. It must be overwhelming for the young alpha. He really would have to get the two of them home afterward. 

The bell above the door rang as they entered. There was a man behind the counter, who looked a little too tired of being alive to be working, and an older woman standing at the pharmacy counter at the back. San couldn’t see the pharmacist, but that wasn’t why he was here anyway. 

“I’m gonna go to the bathroom,” Wooyoung told him suddenly, pulling away from San’s grip a bit harshly. San could only raise his eyebrows at Wooyoung’s back as he stalked off to the back near the pharmacy where the restroom sign hung. 

San sighed and looked through the aisles. He grabbed the scent-neutralizing spray and was walking toward the counter when he spotted the suppressant section. San already took some today, as he did every day, so he could survive the intensity of his heats when they came around every few months. Wooyoung had not though, and he was the one with the pliable rut schedule and had taken a face full of heat pheromones without warning. Without a second thought, San was buying a set of suppressants for his best friend. He also grabbed a water bottle. 

After checking out and receiving an undeserved glare from the beta man behind the counter, San went to find the bathroom. Wooyoung had yet to come out yet and it was leaving an uneasy feeling in his chest. 

San followed the signs to the restrooms and found 2 gender-neutral, family-sized bathrooms. The door to one was closed and San knocked quietly, calling out for Wooyoung. 

“Sannie…” Wooyoung whined behind the door. “I think she set off my rut.” 

“Let me in. I have suppressants, okay?” San waited for a moment before he heard the lock click and the door opened just wide enough for San. He slid into the bathroom and Wooyoung slammed the door behind San. 

San didn’t even get the chance to say anything before Wooyoung had him pressed up against the door, his face buried in his neck. He was breathing heavily and his grip on San’s hips was tight. San could feel his erection pressing against his own crotch and silently, San was praying to whatever deity there was out there that he could get the two of them home. 

“You smell really good…” Wooyoung whispered, mouthing at one of San’s scent glands on his neck. San’s instincts were combating his ability to be rational. He knew he should push away Wooyoung, but San’s omega was telling him to present right there on the floor for the alpha. His ridiculous feelings for the younger man were making this already difficult situation even harder. 

“You need to take these, okay? Then we can go home?” San shook the box of suppressants. The quiet rattling of pills in plastic echoed a little too loudly for how charged the air felt in the bathroom. 

“Don’t want to,” the alpha grumbled, his hands sliding off San’s hips to grope at his ass. If it wasn’t for the fact that Wooyoung had grabbed his ass multiple times since he met him, this situation would freak San out more than he already felt. Though, this would be the first time he was grabbed while the alpha was horny and trying to nuzzle into his scent glands with his face. 

“You’re a very whiny alpha, you know that?” San teased, tossing his hands over Wooyoung’s shoulders and opening the suppressants behind his head. If he took them now, they should push off most rut symptoms for the few hours that it would take to get them home. Then, he could lock Wooyoung up in his room and sleep on Seonghwa and Hongjoong’s couch. 

The pheromones rolling off Wooyoung were still light, meaning that San had time to get this, meaning Wooyoung and himself, under control. 

“Open up, baby,” San whispered, pushing Wooyoung’s face away from his neck to slip the two white pills into the alpha’s mouth. San popped open the water bottle and pressed the open lip to Wooyoung’s mouth, where the alpha gulped it down. His hands were still gripping San, but at least he had taken the medicine. 

He had just closed the water bottle when Wooyoung suddenly jerked his hips forward into San’s, a low growl forming in his throat. San’s arms looped around Wooyoung’s neck, stabilizing himself as the alpha kept trying to grind on him. 

The pheromones were getting worse suddenly, flooding the bathroom and San’s senses with heat and arousal. San couldn’t hold back the quiet moan that was ripped out of him when Wooyoung started mouthing at his scent gland again. 

He knew that if Wooyoung didn’t stop soon, he would be sporting a hickey there for days. Which, his omega was too pleased to encourage, but his rationality was screaming. A hickey on his gland was like a brand, like Wooyoung was claiming him, when that wasn’t true. He was just falling into his rut, that’s all it was. San just had to remember that, even if it hurt. 

San pushed off the alpha, panting heavily as he clasped his hand over his abused scent gland. The alpha stumbled before looking at the omega with dark eyes and a snarl. He went to grab at San again, but the omega was prepared for that. He ducked out of the way and slipped through the door. He held the handle tightly as Wooyoung tried to pull it to get to the omega. 

“I’ll come back in a few minutes. I need you to stay there. Be good for me, and I’ll scent you when I get back, okay?” San spoke to the door, trying to appeal to the unhappy alpha, who was dangerously close to rut. San needed the suppressant to kick in and he was definitely going to slap scent patches onto the alpha, just so he could have the room to think later on. 

San remained there, holding the door closed as it rattled, trying to balance his scrambling mind and calm his heart. Rut pheromones were strong and addictive, much like heat pheromones. And fuck, did Wooyoung smell like the best thing in the world right now. 

Only when the door finally stilled and he heard the pathetic whines of an unhappy alpha, a sound that Wooyoung specialized in making, did San release the door handle. He was quick in scrambling across the store and buying the strongest scent patches the pharmacy had. The beta at the counter looked pissed that he was back and now definitely reeked of rut. San couldn’t give a fuck, if he was honest. 

The omega wondered whether he should put them on himself, but if he did, Wooyoung would probably lose his mind about not being able to smell him and he wouldn’t be able to use calming pheromones on the alpha if he were to get unruly. 

San went back to the bathroom and knocked. He heard the quiet grumbling of the alpha and slid back inside and shut the door. San nearly tripped over the can of scent neutralizer that was on the floor, but he couldn’t remember when he had dropped it. Wooyoung was curled up on the floor against the back wall, pulling at his hair as he growled into the tiled bathroom. 

“Youngie?” San called, his voice quiet and unsure. Wooyoung’s head shot up, his brown eyes dilated and bright. He scrambled off the ground and was up in San’s space in a matter of seconds. His arms locked around San’s waist and the omega stumbled to keep the two of them standing. 

“You left. Why did you leave? I’ll be a better alpha, okay? Stay with me,” Wooyoung rambled, pressing his face into San’s scent gland again like he needed it to live. He sounded crazed, and he kept trying to pull San closer, even though they were flushed against each other already. 

“I had to get some more supplies. We’re pretty far from home,” San said, pressing a kiss to Wooyoung’s temple. The younger man was deep in pre-rut now and it wouldn’t be long before he truly tried to fuck any and every omega that came near him. “I need to put these on you, okay?” 

Wooyoung hummed and rubbed his face into San’s scent gland, the same one he had been trying to mark up earlier. The gland was sensitive and tingled under the smooth ministrations. San, just as he did earlier, looped his arms around Wooyoung’s shoulders and opened the patches behind his head. He carefully adjusted himself around Wooyoung and made sure the patches wouldn’t get stuck on his hair as he smoothed them out over his scent glands. He even put some on his wrists, which were much difficult to access with Wooyoung trying to shove them into his shirt with him for more skin contact. 

“I’m not even surprised that you’re cuddly before rut,” San whispered as he released Wooyoung’s arm. The alpha slid his hands back up into San’s shirt and breathed in deeply from San’s neck. “Only you would be the most omega-like alpha, and like it that way.”

“Your skin feels so good…” Wooyoung groaned as he kept sliding his hands along San’s back and along the sides of his ribcage. 

“We have to get you home,” San said, trying to untangle himself from the absolute octopus that his best friend was being. The surrounding room smelled clearer as the rut pheromones dissipated and couldn’t refill the room with his glands covered. 

“Home?” Wooyoung sounded woozy, lost. He kept grabbing at San’s skin, but focused on his hips instead of his shoulders and upper back. San supposed it was an improvement. 

“Mhm…” San hummed, “home, where your den is. Where we live, just me and you with our friends living across the hall and next to us.”

“Home.” Wooyoung grumbled and redoubled his efforts to rub his face into San’s neck. San couldn’t help but laugh at how his hand tickled along his jaw and ear as Wooyoung moved. 

“I need you to step outside, and stay there, okay? You won’t like the scent neutralizer,” San said as he finally put his hands on his best friend’s shoulder, and he forcibly pulled him away from his neck. 

Wooyoung’s hair was a mess from the nuzzling and his cheeks were pink. His lips were red from running them over San’s skin, shiny with saliva that was threatening to drip from his lip. Looking at Wooyoung like this did crazy things to San’s brain, but he couldn’t do anything. Not here, not now, not like this. Not ever, his brain tortured. 

Wooyoung licked his lips, catching the drop of saliva before it could leave his lips. He frowned and looked so hesitant as he stepped towards the door. 

“You’re gonna come out of here, right? After you spray it?”

“Yes, your nose just gets really sensitive in rut and you complained about all the unlit candles back at the apartment after your last one. I highly doubt you’ll like these chemicals. Now, wait outside for me, okay baby?” San guided him towards the door and once it closed, he made quick work of snatching the can off the floor and spraying the room down. 

He really didn’t want to blindside a random person with a room saturated in pheromones that could set off a cycle for alpha or omega. 

When he stepped outside, Wooyoung was next to the door, his arms crossed grumpily as he clenched his own arms harshly. He looked up when San came out and he immediately frowned. 

“You don’t smell like you…” Wooyoung whined, and it was times like this when San was surprised that nature had chosen him to be an alpha. Though, Wooyoung would probably act more like an alpha if he actually gave a fuck about societal standards for sub-genders, which he clearly did not currently do. 

San matched his frown and tried to force out calming pheromones. Wooyoung was always so receptive to them, and just as he expected, the alpha lit up and bound into San’s arms again. He pressed his face into San’s neck again and the older man couldn’t hide the sigh. This was going to be a very, very long trip home. 

~

Wooyoung had tried and failed to crawl into San’s shirt multiple times while they were walking back to the bus stop. Wooyoung’s clothes still smelled like rut, but San had given his clothes a good scenting to help cover it up. 

Their combined scents were driving San insane. There were too many nights where San dreamed of being able to smell the mix of their arousals, where the two of them were so entwined with each other that they couldn’t get the other’s scent off their skins. Sure, they lived together, but their scents never stuck quite like this and they almost never smelled of arousal. It was dizzying and heartbreaking, but San had to push the feeling down before it seeped into his scent and he alarmed the alpha. 

The alpha currently was sitting on the small bench at the bus stop along the main road of this town. The festival was still roaring down the street, loud and happy, and San wanted to pout. They were having a lot of fun before everything had fallen apart. 

San had little time to sit and stew on the fact they were missing out on a lot of great things because some douchebag alpha thought drugging an omega was the way to go, as Wooyoung reached forward for San’s hips and pulled him close. 

San was standing between his knees now, looking down and petting Wooyoung’s hair as the alpha pressed his cheek into San’s t-shirt. 

One of Wooyoung’s arms slid down his hip and hooked behind his thigh, guiding San’s knee closer to his body. His knee pressed into Wooyoung’s erection, that was still throbbing in his jeans. Wooyoung’s hips twitched, and he shifted forward to get more pressure from San’s knee. San tried to pull his leg back, but the alpha whined and stopped trying to grind against his leg like a dog. 

“Sorry…” Wooyoung moaned, sounding like he was in pain and breathless. “It hurts.” 

San ran his fingers through the alpha’s hair again carefully and sighed. If he could afford it, he would’ve locked Wooyoung up in a hotel or called a cab to get them to at least the train station, but they were broke college students. The bus should be here soon though as San tried to calm the alpha down some. 

He couldn’t smell the distress through the scent patches, but he wouldn’t be surprised if it was there, trying to fight through the chemical neutralizers along the inside of the patch. 

“It’s okay. I know it’s just your rut,” San assuaged, pointedly ignoring the ache in his chest at the fact. If Wooyoung wasn’t slipping into rut, then the alpha wouldn’t want to have sex with him. He was painfully aware of that. 

Wooyoung whined again, the sound clear and practiced through many childish temper tantrums that the younger man threw over the most random inconveniences since his presentation almost a year ago. 

San checked the bus schedule on his phone over Wooyoung’s head as the alpha nuzzled into his t-shirt. His hands were already slipping into the back of his shirt again and sliding over his skin. 

Luckily enough, as San was looking over the arrival times, their bus pulled up behind him. He double checked it was going to the train station before he hauled Wooyoung to his feet. 

His best friend’s cheeks were flushed and his eyes were a little watery. His hands gripped San’s waist under his shirt. He swayed where he stood. 

“Come on, baby,” San chided, turning in Wooyoung’s grasp and guiding the pair to the bus. San scanned their student transportation passes and led the alpha to the very back corner of the bus. The alpha’s hands were still hot on his skin, and the driver gave them a curious look. 

The train station was at least a 20 minute bus ride and San was trying to settle his racing heart. It was almost guaranteed he was in for a 20 minute groping session and he wanted to at least try to keep it low key. Thankfully, the bus was relatively empty, despite the bustling festival down the road. 

Wooyoung dropped into the corner seat at the very back of the bus, only letting go of San for a second to settle into his seat before he was pulling his best friend into his lap, his back pressed to the alpha’s chest. San groaned as Wooyoung locked his arms around his waist and nuzzled the back of his head. 

“Youngie, I can’t sit here,” San whispered, trying to unlock the strong arms around his waist. Below him, he felt Wooyoung’s erection press against the curve of his ass and San tried to ignore it. 

He could only faintly smell Wooyoung on the fabric of the alpha’s clothes, but he looked so pretty all the time, especially with the flushed cheeks and red lips that he was currently sporting. 

A faint growl rumbled through Wooyoung in disagreement, keeping his arms wrapped around his waist securely. He pressed his forehead to the back of San’s neck and pulled the back of his shirt down with his teeth. San twitched as Wooyoung pressed a kiss along his spine. 

“Wooyoung, I really can’t sit here. It’s not safe. You want me to be safe, don’t you?”

Wooyoung whined, high and pained, and released his waist. San slid his butt onto the seat next to Wooyoung, but kept his legs hooked over one of Wooyoung’s. His feet dangled between the younger’s legs and the omega leaned his head onto the alpha’s shoulder, trying to appease the unhappy man. 

Wooyoung tucked his nose into San’s hair and dropped a hand onto the inside of San’s thigh. His hand gripped tightly, and his opposite arm wrapped around to grip San’s far hip.

For all intents and purposes, San was bigger than Wooyoung was, but he felt absolutely tiny in that moment. With Wooyoung’s hand spanning across his thigh so possessively and nuzzling into his hair, he felt owned. It was a dangerous feeling, because he knew this would be ripped away from him when they got home. He would corral Wooyoung into his room and lock him away. When his rut cleared, he might even apologize for groping him so much. 

San couldn’t be surprised when Wooyoung’s hand on his hip released and slid down into the back pocket of his jeans. Wooyoung in rut apparently had a growing appreciation for his ass, which sucked because it was just the hormones mixing in his blood and after this, he wouldn’t think twice about San’s body. 

San closed his eyes and just let Wooyoung nuzzle and squeeze his thigh every once in a while. 

“You smell so good,” Wooyoung whispered in his ear, nipping at his earlobe and sending a shock through San’s body. The omega tried to pull his head away, but Wooyoung’s hand moved from his pocket to the back of his neck. “You always smell so good…”

“I can’t tell if me being in your lap is helping or not,” San groaned, letting Wooyoung manipulate him into the position to be scented again. San’s own hormones were going crazy and his instincts conflicted with all rational thought. 

The hand between San’s legs squeezed harshly into San’s thigh and Wooyoung bit on his earlobe again.

“Don’t even think of moving, omega,” Wooyoung growled. It was the most alpha sound that San had ever heard come out of Wooyoung. The deep rumble had San flushing bright red and thinking of all the sounds Wooyoung could make. 

There was a pleased purr coming from Wooyoung’s chest as he ran his nose across San’s scent gland. 

“Can I fuck you? You smell so good,” Wooyoung’s voice is low and growling in his ear. It felt like an electric shock ran through San’s entire body. 

San’s heart dropped into his stomach and his hand came to grip Wooyoung’s that was splayed across his thigh. He had to close his eyes for a moment, reigning in all the feelings that came flowing over his kind at the request. He made a point not to imagine it, despite how desperately his brain wanted to play it out. 

“Wooyoung,” San ground out. “We’re on the way home, please. Please, control yourself.”

It wasn’t fair to ask Wooyoung to control himself. San knew how hard this whole thing was on the alpha. His entire body was fighting against the suppressants and trying to start his rut completely. He was definitely just outrageously horny, but the fever hadn’t hit yet. He also seemed mostly lucid, just in a bit of pain and slipping a little into his instincts. 

Wooyoung wilted like a flower. His hands lost their tension on San’s skin, and he leaned back into the bus seat with a huff. He didn’t push San off, though, so he couldn’t be that upset. 

“I’m sorry…” Wooyoung said, biting his lower lip and taking his hand off San’s thigh to bite at one of his knuckles. 

San stared for only a moment before he was taking the hand out of Wooyoung’s mouth and interlocking their fingers. 

“No, I’m sorry. I just got a little overwhelmed,” San said. “When we get to the train station, you can go to one of those family stalls and ‘clean’ yourself up, okay?” 

Wooyoung whimpered and ducked his head into San’s neck again. 

“It hurts, Sannie,” whispered Wooyoung against his neck. San ran his hand up Wooyoung’s back and carded through his hair. He ran his fingernails across the younger’s scalp, which had the alpha nearly purring. His erection pressed against San’s knee from their position, but they both ignored it. Well, ignored it the best they could. 

“We’re almost at the train station, just a few more minutes,” San said. For the rest of the painfully long bus ride, San kept running his fingers through Wooyoung’s hair and whispering encouraging words to the alpha. That he was doing good, that he was going to be okay, that everything was going to be fine. 

Wooyoung mostly whimpered back small quips about San’s scent smelling good and that it hurt. San felt a stinging at the back of his eyes and throat as he tried to hold back tears. He hated this. He hated Wooyoung being in so much pain. He hated the alphas that were so depraved that they drugged omegas to induce heats. He hated that Wooyoung, and all the other alphas out there, presented so late. He hated that after only a few ruts, cycles were incredibly malleable and easy to set off. He hated that Wooyoung kept telling him how good he smelled and had spent too much time groping him today. He hated that he was being daunted by the saddest parts of himself every time he remembered that Wooyoung only wanted him because he was the closest omega. He hated this, and he wanted to cry, but Wooyoung was already tensing beside him at the distress coming from his glands. 

San had to focus, he didn’t have time to be distracted. He could cry when he got home. He could scream and throw things at the rage room place a few blocks from their apartment. Honestly, he had spent way too much money there already. 

San did his best to pump out all the calming pheromones he could, and felt a little accomplished when Wooyoung melted against him like a pup. 

San gripped Wooyoung’s hand as the bus took the final turn onto the street that housed the train station. The alpha hummed and pulled his head out of San’s neck. His eyes were half-lidded and dazed, but there was a loose smile on his face as he looked over Sam’s face. 

“Sannie,” Wooyoung said, not even turning when the bus rumbled to a stop underneath them. 

San sighed and unhooked his legs from Wooyoung’s lap. He ignored the alpha’s whines and pulled him to his feet. Their hands remained interlocked as San dragged Wooyoung off the bus, the alpha stumbling behind him like a baby deer following its mother. 

San and Wooyoung had been in this train station countless times since their freshmen year at KQ, and headed straight towards the nearest bathrooms when they entered the building. The AC was strong and loud above them, cooling the pair instantly and erupting goosebumps all over their skin. 

San led Wooyoung right up to the open family bathroom door, but the alpha stayed at his side, looking over San like he had offended him. 

“What?” 

“Come in with me,” Wooyoung whined. His foot twitched like he wanted to stomp it like a child. 

“You’re just going in there to jack off. I promise I’m not going to lock you in there again,” San said. He felt bad enough about having to lock Wooyoung in one earlier today and if Wooyoung was going to be afraid of public bathrooms because of it, San was going to reevaluate his entire life. 

“It’s not that… please, just come in with me?” Wooyoung pouted, tugging San’s hand into the small square room. Once the door Wooyoung shut and locked the door, the alpha sighed deeply, as if he had the weight of the world on his shoulder outside of this room and here was the only respite. 

San didn’t know what to do. He had seen Wooyoung’s dick countless times during their friendship, but never in this context. It was always in passing; Wooyoung changing, or interrupting San’s shower cause he had to pee or vice versa. He wasn’t sure he was ready to witness Wooyoung hard and getting off. He wasn’t sure he would ever be ready to see that, then pretend he hadn’t. 

“Can… can I have your wrist?” Wooyoung asked, looking at him with a flush across his face and conflict in his eyes. 

“My wrist?” 

“Yeah… I—well… Just trust me, okay?!” Wooyoung yelled out suddenly. San flinched but held out his wrist anyway. 

Did Wooyoung want to scent him first? Why his wrist? His neck would do the job even better, and Wooyoung already smelled of the omega. The scent had seeped into his clothes and his skin, tied between the strands of his hair. He definitely wouldn’t need another scenting for hours. 

“Hold it here for me?”

Wooyoung had pressed San’s hand under his chin. With a little bend in his neck, his nose pressed against the soft skin that stretched over his gland. San tried not to shiver at the light grazes of Wooyoung’s nose against his scent. Wooyoung started unbuttoning his pants with shaky hands, his eyes squeezed tight. 

“W-what?” San stuttered. He felt like his brain was melting inside his skull. What the fuck was Wooyoung doing? 

Wooyoung moaned quietly at the first slide of his hand across his member. He buried his nose into Sam’s wrist, flattening the cartilage as he tried to get the most of the scent as he could. 

San’s eyes dropped to Wooyoung’s hands, one of which was running along his erection through his black underwear. The other locked onto San’s waist, which the older hadn’t even noticed, considering everything else that was going on. 

San’s face and ears burned as his eyes locked on the movements of Wooyoung’s hand. His cock was swollen under the fabric, and each movement pulled a sigh out of him. It was only a minute before Wooyoung was pushing his underwear down to mid-thigh. 

He had a pretty cock, with a gentle red flush and faint veins that didn’t take away from the focus of the tip. There were a few drops of pre-cum dribbling down from the slit and under Wooyoung’s shifting hand. San tucked his lip between his teeth. 

Each moan and sigh that came from Wooyoung’s lips danced across San’s palm, as he if he was holding them, as if he owned them. It flooded San with euphoria and hope, thinking that maybe, just maybe, Wooyoung actually wanted him. 

San couldn’t keep the arousal out of his scent if he tried and Wooyoung’s face tightened when the smell flooded the bathroom. San almost regretted not putting on a set of scent patches on himself at the pharmacy. Though, if he had, he probably wouldn’t have been able to watch Wooyoung’s hand speed up on his cock with his mouth falling open. 

San yelped as Wooyoung pressed forward, backing the omega up against the wall. The hand on his waist was shoving his jeans down his thin hips before San could stop him. Wooyoung pressed their hips together and ducked his head into San’s neck, rubbing against his scent gland with his cheek. 

San was overwhelmed with the pressure Wooyoung was using against him, his hands locking around his neck to keep the omega standing. San inhaled quietly as Wooyoung’s hands tucked under his thighs and lifted him, wrapping his legs around the alpha’s waist and rutting against him. His jeans hung off one of his legs, threatening to fall with a big enough movement. 

The scent of arousal was seeping through Wooyoung’s scent patches and flooding San with warmth, as the movements of Wooyoung’s hips were slowly breaking him apart. His cock was rubbing against the front of San’s underwear, mixing his pre-cum with the wet patch that was forming from San’s own. 

San’s fingers flitted through Wooyoung’s hair as he panted into the alpha’s ear. His mind was reeling and he couldn’t settle on just one thought. 

He should’ve stopped, pushed him off, done anything to stop this, but it felt so good. Wooyoung was squeezing his thighs and pressing him against the door, overwhelming him with the scent of arousal that was surrounding them. He could smell his own arousal mixing into the air. 

San couldn’t keep the whine out of his voice when Wooyoung suddenly dropped him back to his feet. The alpha slid to his knees and San gasped when Wooyoung started mouthing along his cock through his underwear. 

“W-wait,” San stuttered, but Wooyoung licked the wet patch of their mixed pre-cum and he couldn’t breathe. “Oh, fuck.” 

“You taste so good, Sannie,” Wooyoung said, his lips spreading saliva along the fabric. “So good, I can’t get enough. Want to stay here forever.” 

Wooyoung was nearly delirious as his hands traced San’s thighs and up onto his hips. San’s head fell back against the bathroom door as Wooyoung’s careful fingers pulled his underwear down, revealing his own hard cock. He couldn’t look Wooyoung in the eyes as he took San’s cock into his mouth. The omega cried out at the wet heat wrapping around him. 

It was the best and worst thing to ever happen, having Wooyoung sliding his tongue along the underside of his cock. It felt like heaven, with pleasure shooting up his spine and into his brain. It was so much, too much, and San couldn’t keep himself still as his pleasure built and built. 

He glanced down at Wooyoung and nearly melted at the sight. He was bobbing his head like it was his job, and one of his hands wrapped around his own erection, squeezing and rubbing the slick pre-cum around his tip. 

“Youngie, I’m gonna cum!” San forced out, his hands clenching into fists on Wooyoung’s shoulders where they had been resting. 

Wooyoung pulled off for a moment, a confident smirk across his flushed face. He blew lightly onto San’s cock, letting the cold set San’s nerves alight. “Wanna taste you, omega.” 

San’s hands tied into his hair and forced the alpha to put his mouth back on him. San couldn’t control himself. He was strung out and so close. So, so close, and he was going to get his release one way or another. 

One of Wooyoung’s hands slid up his thighs again, but along the inside and ducked further back between his legs. San only had a moment of warning when Wooyoung’s finger grazed around his swollen and slicked hole. The alpha pressed in, and San locked his teeth around his bottom lip. 

San felt like he was on fire, whining and whimpering under Wooyoung’s careful and warm ministrations. The tip of Wooyoung’s finger explored inside him and San almost cried real tears when it pressed against his prostate. 

He tried to say something, anything, but his words were falling apart on his lips and he couldn’t think of anything beyond Wooyoung. He was so good at this, too good. 

San broke slowly, then all at once. The peak of his orgasm was like pure euphoria, sending shocks and tremors through his body, causing him to writhe against the door behind him as he moaned. Tears started dripping down his face as Wooyoung continued to suck his cock and rub his prostate, overwhelming and overstimulating the sensitive omega. 

“I c-can’t—” San whimpered as he pushed Wooyoung back by his forehead. The alpha’s lips made a quiet popping sound as he leaned back, with cum dripping from his own cock. There was a spot of cum on his lips and San belatedly realized that Wooyoung must’ve swallowed the rest of it. The alpha was quick to lick up the left over spot on his lips before he sucked the slick off of his wet fingers. 

San burned with embarrassment as he watched. He was wet and uncomfortable now, with his slick dripping down his thighs and saliva drying on his softening cock. Wooyoung’s eyes were lit with joy and a smile was across his face as he licked up the rest of the slick on his fingers. 

“You taste so good, Sannie,” Wooyoung moaned. San was wondering if getting that sentence tattooed on his skin would have the same effect it had on his brain. Pretty and permanent. 

San wasn’t sure he was going to make it back to the apartment at this rate. 

#

San and Wooyoung climbed onto the train 20 minutes later. Wooyoung was hard again by then, but his mind was a little clearer. He kept a tight hand on San and kept the omega close, but he wasn’t actively trying to climb into San’s clothes with him. 

San had done his best to clean the two of them up. He even reapplied Wooyoung’s scent patches with the leftover ones he had tucked in his pocket from earlier. The pair had said little, but Wooyoung had whined a few times about missing San’s slick, which felt like San was being set on fire each time he said it. 

When they sat down in the last row of the compartment, Wooyoung dragged San’s legs over one of his own, remaking their position from the bus earlier. Except, this time, the alpha tucked his head onto San’s shoulder and leaned most of his body weight onto him. 

Their sides flushed against each other on the train and heat was radiating off of Wooyoung. It wasn’t a full-blown fever, but he was definitely getting warmer. The suppressants could only do so much in emergency situations and San supposed he should be grateful for the hour he had before Wooyoung started getting hot. 

Just as he had done on the bus, San petted Wooyoung’s hair and coddled the back of the alpha’s neck. Wooyoung’s hot breath kept fanning across San’s gland and it left the omega more than a little on edge. He couldn’t wait till they got home. 

“Sannie?” 

San hummed in acknowledgment. 

“Are you mad at me?” Wooyoung asked, his voice quiet and small despite how close they were. 

“Of course not. Why would you even ask that?” 

“You smell upset, I just thought it was probably my fault…” Wooyoung pouted, which would be cuter if it didn’t break San’s heart in half. 

“No, it’s not you. I’m just… I want to get you home sooner rather than later. You’re getting really warm and we have awhile before our stop,” San said, almost as quiet as Wooyoung had been. He squeezed the back of Wooyoung’s neck once. “I hate that your rut got set off so far from your den.” 

Wooyoung was quiet for a moment before he pressed a gentle kiss again on San’s scent gland, sending a shock through the omega’s body. 

“It’s okay, you’re right here,” Wooyoung said. 

San wanted to cry, because what the fuck does that mean? Does he mean he doesn’t need his den because San is enough of a home for him? Does he mean he doesn’t need his den because he sees San as his omega and therefore wanted San and his nest? Both options sent sharp aches through San’s lungs. 

It had to be that San was his home, though it didn’t make it feel any better. The former coated San’s soul in guilt, because Wooyoung trusted him enough to consider him a home and here he was lusting after him and being gross when Wooyoung just needed to be comforted. The latter felt like he was being shattered because there was no way that was true. Wooyoung went after what he wanted, always. If he wanted San, he would’ve done something before now, where he was overwhelmed with hormones and arousal. He would’ve said something. 

San brought his wrist to the exposed side of Wooyoung’s neck and ran his gland across the scent patches. It wouldn’t have the same effect, but he hoped it would ease Wooyoung a little. 

The pair watched out of the corner of their eyes as the people in the compartment came and went with each new stop along the train line. It would be well over an hour before their own came. 

The stop before theirs, they watched the rest of the passengers rise from their seats and step off the train. When the doors slid shut and only San and Wooyoung were left, San swallowed hard. Wooyoung was already shifting next to him. 

San couldn’t even bring himself to be surprised when Wooyoung climbed into his lap and straddled one of his thighs. It put an uncomfortable amount of pressure on his knee, but San stayed silent. There were only about 7 or 8 minutes until their stop. He could survive that. He almost choked on his own spit when Wooyoung’s hand ran over his crotch, though. 

“Wooyoung! What are you doing?” San hissed, trying to bat away the alpha’s hands. When he met Wooyoung’s eyes, he met with the familiar haze that clouded his eyes as he slipped deeper into his rut. He probably wasn’t entirely aware of what he was doing. He even smiled at San like he had no idea what he was doing was wrong. 

“Sannie smells so pretty, looks so pretty, want to make him feel good again. He made me feel good. He deserves to be loved too,” Wooyoung rambled quietly under his breath as he tried to get his shaking fingers to cooperate enough to unbutton San’s jeans. “Sannie deserves everything, you know?” 

Wooyoung’s eyes were bright and happy, and San froze in his seat. On one hand, he couldn’t do this to Wooyoung. He couldn’t take advantage of him going into rut again. He had already fucked up so much, letting Wooyoung blow him in the bathroom. But his body was screaming at him to take this opportunity because he knew he would never get it again. 

San bite his lip harshly as he locked his hands around Wooyoung’s wrists. The alpha growled and tried to take control of his hands again, but San was stronger. 

San wouldn’t be able to take it if he let Wooyoung do whatever he had planned. He was barely holding himself together as is. He didn’t think he would survive if he broke Wooyoung’s trust again. It was bad enough that Wooyoung had used him as a sex toy earlier, using his slick and cum to feed his rut-asked brain. It was bad enough that San’s deprived brain kept coming up with ways to get a taste too, even though the moment had long since passed and Wooyoung didn’t deserve to be lusted over so grossly.

He had to protect Wooyoung. He had to protect himself. He had already failed once. 

“Kiss me first,” San said, with a confidence that he knew was faker than anything he had put on. He just hoped Wooyoung was too drunk on hormones and pheromones to notice. He needed to waste time. With white lies and a breaking heart, he was going to get them home. 

Wooyoung smiled wildly, with a little giggle in his throat as he wrapped his arms around Sam’s neck instead and readjusted his legs to straddle San’s entire lap. 

Wooyoung’s lips were soft and wet from licking over them. They were puffy and hot against San’s. The omega tried to commit it to memory because he would never feel this again. He would never get to pretend that Wooyoung was his for another train ride, pretend that they were a thing and real and not a figment of his imagination. Even if it felt like he was being sliced through with a scythe, left to bleed out from his wounds. 

Wooyoung’s hands were resting on his face and he was pushing his lips forward, his tongue slipping into San’s mouth. 

Suddenly, Wooyoung pulled back and stared at him with clarity in his eyes that San hadn’t seen for at least an hour. 

“San? You’re crying. What’s wrong?” 

“What?” San wiped at his face and was horrified to find the tear tracks dripping down his face. Of course, he had cried. 

He had destroyed so many boundaries today, broken so much trust between them, and now he was crying and making this whole thing about him when Wooyoung was the one suffering. God, he was so pathetic and he burned with self-hatred. 

“It’s okay, everything is fine. It’s just been a really long day, okay?” San whispered, internally wincing at the quiet cracks in his voice, the rawness of his throat as he tried to hold back the tears that kept dripping out of his eyes. 

Wooyoung’s face was flushed, and his lips were red, but he had an indecipherable expression. His lips were pinched and his eyes were intense as he looked at San. The omega felt like he was under a microscope. 

“What’s wrong?” 

“Youngie, I just—” 

“I know you’re lying. Since when do you lie to me?” 

San didn’t have an answer for that. After all, hadn’t he been lying since right after they became friends when he realized he felt so much for Wooyoung, so much more than he should’ve felt about a friend? He had always been a liar, which added to the string of his failures as a friend that was slowly suffocating him inside his own head. 

“I… I really don’t want to talk about it, not right now, okay? Please. Let’s get you home first.”

Wooyoung’s eyes felt like they were going to burn through his soul as he squinted. He still hasn’t moved off of San’s lap. San could still feel his erection grazing across his stomach with every minor shift from the alpha above him. 

“Promise me you’ll tell me later, Choi San. Promise me right now.” 

“I promise,” San whispered, his voice barely a whisper as the train ground to a stop below their feet. 

Wooyoung, despite the heat growing under his skin and the erection between his legs, took the lead on the short walk home. They only lived a few streets over in a student-friendly apartment building and they made it quick, hands interlocked and Wooyoung dragging a drained San behind him. The omega had lost all the energy and life he had earlier that day. 

San wanted to curl up in his nest and cry, but there were consequences to rooming with an alpha, even if they had separate bedrooms. Sometimes, San wouldn’t be able to access his own nest. In the back of his mind, he wondered if Seonghwa would let him sleep in his, just for an hour. Even half an hour would do. 

For the entire walk, Wooyoung kept glancing back at San with nervous eyes and kept squeezing his hand. Each time flooded San with a new wave of guilt. 

Wooyoung was, maybe, an hour away from a full-blown rut and San couldn’t keep himself together for even half of that. Once he was home, San was going to make himself scarce. He couldn’t stomach dragging Wooyoung down any more than he already was. Hell, he was so depressed and lifeless walking into their apartment building that Wooyoung was practically erasing his rut symptoms to take care of him. What kind of person forced their best friend to suffer through pre-rut silently because they couldn’t hold themselves together for an hour?

The elevator ride was quick but suffocating. Wooyoung wouldn’t stop looking at him and touching him, and San’s heart hurt. 

Maybe it was the hormones that were making him so emotional. Maybe it was just because his dreams were flaunted in front of his face today, giving him the smallest taste of what he so desperately wanted. Maybe it was everything tied together with a pretty bow and slamming into his skull at impossible speeds and breaking his soul in half. 

San wasn’t sure how he felt when the elevator finally opened to their floor and he came face to face with Mingi and Yunho. The two alpha mates were talking animatedly with each other and jokingly shoving each other back and forth. Their good moods dropped out of their bodies at the scent of Sam’s distress. 

This was the end of the charade, even though San had stopped taking part half an hour ago. After this, he would only have the memories left. 

“Are you okay?”

“What happened?” 

“Can you bring Wooyoung into our apartment? I need to go see Seonghwa.” 

Wooyoung whipped around and looked at him, pain and shock dashed across his features. 

“You’re not coming with me?” 

“No, Youngie. You’re going into rut. Yunho, Mingi, please.” San sounded almost as tired as he felt. It was like everything about him had been scooped out of his soul and thrown onto the pavement. He wasn’t sure if there was anything left inside him. 

Yunho didn’t need to be asked again, because he threw Wooyoung right over his shoulder and turned back to their apartments behind him. Wooyoung was whining and there were tears dripping down his face as he tried to get off of Yunho. He was yelling too, for San to come with him, to not leave him. That he would be good, that he was sorry for whatever he did. 

San forgot how to breathe as he watched Yunho type in the code to their apartment and disappear inside. Mingi was still next to San, watching the endeavor in silence. 

The door across from Wooyoung and San’s apartment opened and Hongjoong’s blue hair popped out, his face turned away from them. Then he turned to the elevator and his face appeared and he looked confused and a little stressed out. 

“What the fuck was that?” 

“Is Seonghwa home?” San whispered. All the tension left his body and his muscles felt like lead. 

Seonghwa was the only other omega in their little friend group, and San wasn’t sure what he would do if he wasn’t here. He might just lie on the ground and dissociate until Seonghwa came home. It would be nice to forget that he was a human being, even for just a few minutes. The floor right next to the elevator door looked comfortable enough. 

“Hwa! We have an emergency!” Hongjoong shouted into his apartment and San didn’t have enough energy to even feel relieved about it. 

Seonghwa took less than a minute to appear in the hallway. Between his scent and his appearance, San didn’t have to say anything before the older omega was hugging him tightly. San couldn’t keep himself from sobbing, right there in the hallway under the confused and careful eyes of the two alphas still present. 

“He-he… some omega got drugged at the festival and it set off Wooyoung’s rut. The omega was fine, but he… oh my god, he just… he—” San couldn’t get the words out. He didn’t know where to start. He didn’t know if he even wanted to. 

“It’s okay, everything is fine. You’re home,” Seonghwa was whispering warmly in his ear, with his arms locked right around San and grounding the younger omega. “Let’s go inside, okay?”

San let himself be led. 

He let Seonghwa baby him into soft sweatpants and a t-shirt, let him lay him in his nest, and wipe away his tears. He rambled through a recap of everything that had happened, refusing to leave anything out. He expected Seonghwa to think he was gross, that he was a horrible friend and a liar. He wasn’t prepared to be kicked out, but he wouldn’t be surprised if Seonghwa had done it. He was the worst. He was the scum at the bottom of the barrel that everyone discarded. 

Wooyoung was the one suffering and here he was, having a meltdown over some leftover feelings and his own guilt? He was a selfish asshole. 

“San, look at me, okay? You got him home. He didn’t jump a random omega, and he’s safe. Yes, stuff happened and maybe it shouldn’t have, but you made it home. He’s still in pre-rut. He could’ve stopped himself, too. Don’t huff at me, Choi San. You did good, okay? I’m proud of you. And, Sannie, remember, you’re a person too,” Seonghwa said, pressing motherly kisses to his forehead. “You have feelings and emotions and wants. You have a body that’s going to react to pheromones and things that you like, and that’s okay. It’s completely natural to want things. If Wooyoung is upset about what happened, then you two can talk about it after his rut, okay?”

If San cried himself to sleep in Seonghwa’s arms, bathed in calming pheromones from the older omega, then that was between him and Seonghwa. 

~

Days would pass where San didn’t leave Seonghwa’s nest. He curled up there, ignoring all and every responsibility he had for school, and had his face pressed into a t-shirt that Seonghwa had of Wooyoung’s. It smelled faintly of the alpha, but San didn’t have high hopes. It was like a bandaid on a bleeding bullet wound. 

In all honesty, he wasn’t expecting Wooyoung to come slamming into the room, with Seonghwa trailing behind him, trying to stop the energetic alpha. 

“Sannie!” Wooyoung had the widest smile on his face. The happiness slid right off his face when he saw how San was. He was curled up with his knees to his chest and Wooyoung’s t-shirt tucked against his face. “Sannie, what’s wrong?” 

Wooyoung kneeled next to the bed, the slightest pout on his lips as he looked over his best friend’s face. 

“I’m sorry, I’m so sorry,” San whispered, pressing his eyes into the shirt against his face. 

“Seonghwa? Can I get in your nest?” Wooyoung asked over his shoulder, without turning away from San. 

Wooyoung only waited about 3 seconds before he was climbing into the nest and wrapping his arms around San, coddling the back of his head. Behind Wooyoung, Seonghwa backed out of the room and closed the door quietly. 

“San, talk to me. What’s happening?” 

“I’m a horrible friend and an awful person…” San cried, tucking his head into Wooyoung’s scent gland. “I don’t even know why you’re here. You should hate me.” 

“What? Why would I hate you? You’re my Sannie,” Wooyoung asked, his voice low and sad as he rubbed his face against San’s hair. 

“Your rut got triggered and I should’ve taken care of you. I couldn’t… You were suffering, and I wanted you so badly. I was being so selfish and I didn’t… I took advantage of you! I couldn’t even stay with you and you were so upset, so hurt. I know you only wanted me because I’m an omega. You weren’t in your right mind and I should’ve stopped you. I know you don’t actually want me like that, but I wanted you, I want you and I’m an awful—” 

“Stop. Shut up right now. Are you crazy?” Wooyoung snapped, his hands sliding over the smooth planes of San’s back. San shrunk further into his neck. “San, I’m literally in love with you, so don’t you dare say I don’t want you. Don’t you dare.” 

“What…?” San felt like he couldn’t breathe. He had to be asleep, he had to be dreaming this whole thing up. 

“I wasn’t all over you on the way home because you’re an omega. I was all over you because I’m in love with you and I love your scent more than anything. You didn’t take advantage of me. Yeah, I was really horny, and it definitely felt like my dick was going to fall off, but I made the choice to bring you into the bathroom. I chose to blow you and taste your slick. That’s on me, not you. I just spent my entire rut trying not to think about fucking you because you rejected me. So, please, shut up,” Wooyoung whispered. 

“You… no, no, no. I’m asleep or I’ve lost my mind,” San mumbled as he tried to reach and pull at his hair. Wooyoung grabbed his wrists and kissed his knuckles.

“Choi San, I am in love with you,” Wooyoung said against his knuckles, pressing more kisses to his fingers. “I know you said you want me, but what does that mean? Do you want me to fuck you? Do you want me to date you? What do you want? I’ll give you anything. I’ll give you everything. Don't cry, love.” 

“I love you,” San whispered, so quietly that Wooyoung almost didn’t hear. “I love you. I’m sorry. You were all over me, grabbing me and scenting me like I’ve always wanted. You were acting like you wanted me and it hurt.” 

“I know, I’m sorry. I love you. I want you. God, I’m so obsessed with you. I literally follow you around like a puppy. How could you not know?” 

“You have omegas falling at your feet everywhere we go. Why would you choose me over them? I’m—I’m not even a good omega.” 

San whined when Wooyoung pushed him onto his back and crawled on top of him. The alpha interlocked their fingers on both hands and pressed their chests together. San’s legs locked around Wooyoung’s waist. He placed a kiss on San’s forehead. 

“Why would I choose anyone else? You’re the perfect omega for me. You’re so wonderful, so pretty. You’re so good. So good, perfect, pretty omega, just for me,” Wooyoung whispered, pressing kisses to San’s cheeks and eyelids. 

San was going to cry again. 

“C-can you kiss me properly?” 

Wooyoung grinned and pressed their lips together. San pulled his hands out of Wooyoung’s so he could cup the alpha’s jaw and neck. His palms were warm and gentle on Wooyoung’s body and the alpha dipped down to grab at San’s thin waist. 

“Let’s go home, pretty omega. I’m going to take you on a date tonight and I know you haven’t slept properly since we got home.”