Archive of Our Own ^beta

Toya was lounging in his old room at his parents’ house. His parents had asked him to keep an eye on Shoto while they were on their one-month-long vacation. Fuyumi was also away with a friend of hers, and Natsuo was with his girlfriend. And Toya was the only one who was free to keep him company.

Sighing, he had agreed to do that. He had his headphones on and listened to music while browsing his phone. He didn’t notice when the door opened and Shoto entered. Only when his little brother shook his leg he realized it.

“Hey, Shoto, what’s wrong?” he asked.

The omega looked a bit flustered. “I, hmm, I don’t know,” he seemed nervous.

Toya sat up and put the headphones on his bedside table. “C’mon, Shoto, you can tell me anything.”

Shoto exhaled and crawled onto the bed. “It’s just very weird,” he mumbled. Scratching his head.

The alpha’s eyebrows rose. “Weird? How come?” he tilted his head.

“You know, in school, we just had the subjects of sexual heats, since we get into the age of them showing up …” the boy stumbled over his words.

“Oh, yeah, right. You’re in that age …” the alpha cleared his throat, a bit uncomfortable.

“Yeah. They said it’s very painful,” Shoto sighed.

“I can imagine that. Well, I had never heats, of course.” Toya scratched his cheek with his finger.

“Obviously,” the omega chuckled. Then he got serious again. “Toya, you’re very special to me. Please don’t hate me for this!”

“What do you mean?” He raised his eyebrows.

“They all said that you should share your heat with someone special, and I wondered … if you could share with me?” He was red-faced after saying this.

“Shoto! This is impossible! We’re brothers, and heat sharing is something sexual!” Now Toya was equally flustered and blushed.

“I know! That’s why I begged you not to hate me! I am aware that it is absolutely wrong, but I want you to share with me first! You are my most special person!” He looked into Toya’s turquoise eyes. “M-My heat is supposed to come up this night, and I’m afraid that it will hurt. So please help me out!” he whined.

“I … no! I can’t! Sorry!” He shook his head ferociously. He tried to ignore the mewling of his brother.

“Oh, that’s… alright. I understand,” with a breaking voice, Shoto got up again. He swallowed heavily when he left Toya’s room.

The redhead paced in his room. It was still beyond him how Shoto could even think of something like that! But why was he so restless now?

Why was his brain wandering over to the image of his perfect little brother? Why would his thoughts drift those ways? Why would he imagine how Shoto would feel around his cock? Tight, he thought. Really tight!

Toya growled, frustrated, and went to bed.

Shoto was in agonizing pain when his heat came, his pussy was throbbing with want, and his cock was pulsing horribly. The omega mewled, and his pheromones lashed out, trying to lure in a perfect breeding partner.

Toya stopped himself in front of Shoto’s door. No, what was he doing? Why was he here? He didn’t even remember that he had walked over to the omega’s room.

Now he could smell the bitch in heat on the other side. Wait, no bitch! This was his brother!

Fuck, his cock came to life in his pants when he inhaled the sex pheromones. Why was it so strong? Family members were usually not drawn to another’s heat or rut! The only chance this would ever happen was if the omega had an extreme heat; it was a medical condition that made the heat even worse.

Without realizing it, his hand grabbed the doorknob and opened it. He could hear the groans of his brother.

He stalked over to the bed. “Hey, Shoto,” he whispered. The pheromones lashed out, and he took a deep breath. Shit! His cock was so hard, and he felt how his rut started. He needed to get the bitch pregnant!

“Oh, alpha! You came!” Shoto turned around, trilling in happiness that an alpha was now in his room. He saw his partner’s red glowing eyes, making his pussy throb even more.

“Yes, omega, I’m here!” Toya’s mouth was dry when he heard the trilling of this perfect little omega. His cock pressed against the fabric of his underwear; it physically hurt!

He lay on the futon next to the omega. “You want me to be your first?” He asked; his hand wandered over Shoto’s cheek.

“Yes, alpha! Breed me! Be my first!” he rolled on his back and opened his legs. He only wore a yukata, perfect!

Toya pressed his lips on the omega’s. He heard the deep moans of his smaller partner; the lips felt desperate against his. He kissed his omega for several minutes, getting him even hotter than he already was. “God, you’re perfect, my omega!” His tongue felt so heavy already.

“Please, alpha, help me!” Shoto moaned.

Toya opened the yukata, and the omega pulled the arms out of the sleeves. He was now fully exposed; slick flowed out of his holes like a waterfall. The alpha’s hands wandered over the perfect, naked body.

“You’re so amazing!” Toya murmured in awe when he felt his brother. He wrapped him tight in his arms and continued to kiss him. His hands were all over his body.

The dual-haired boy moaned with every smack of their lips, especially whenever their tongues met.

Shoto groaned with need when he could feel the hot, pulsing cock of his alpha, rubbing against his pussy, but not penetrating him. Instead, his alpha moved his hips rhythmically, driving him absolutely crazy.

He tried to move back, to make the cockhead slide into his hole, but Toya just growled. “Be a good boy and wait until I go in!”

“Y-Yes, alpha!” he whimpered. He could feel Toya shift their position, and now the dick was rubbing against the crack of his ass. God, he wanted him so badly!

Toya kissed his way down Shoto’s body, and he stimulated his nipples while doing so. Shoto was sweaty and red-faced and so on edge! His heat drove him crazy.

His alpha got more and more into rut because of the pheromones this perfect little omega put out. His mouth wandered down, leaving hot, wet trails of saliva all over the sweaty, steamy body of his bitch.

He came down to the little omega penis, and he wrapped his mouth around it, sucking on it. His omega mewled so lovely, making the most beautiful song in Toya’s ears. When he got stimulated, Shoto’s back arched; his legs were wide open.

The suction got heavier and the pressure as well. The alpha’s spined tongue stimulated his head, and he was leaking slick massively out of his cock.

Eventually, Toya moved down, now pressing his face directly into Shoto’s dripping wet pussy. He parted the pussy lips and let his tongue slide in between; he absorbed the gorgeous smell.

Slurping, he took in the sweet peppermint taste of his omega. He licked over Shoto’s inner labia, causing more pleasured moans to escape him.

The omega thought he would go crazy upon this much stimulation. He closed his heterochromatic eyes and thrashed his head around. His pussy was pulsing when he felt his alpha’s tongue penetrating him.

Two of Toya’s fingers rubbed his omega’s clit, he swallowed a mix of slick, squirt, and cum, and it was the best meal he ever tasted.

Shoto was shaken up after his first orgasm, which came out of nowhere. He was exhausted, and his body didn’t stop producing squirt. Then, he heard the swallowing of his alpha, and it turned him on so much. Now two more fingers got pushed into him repeatedly while the tongue switched over to circling his clitoris, as well as the base of his cock.

A third finger was pushed into him with a swift movement; he wailed in happiness. Even though he was utterly exhausted, his alpha kept the stimulation going.

“I’m going into your perfect little ass!” Toya murmured; he lifted his head, slick dripping over his chin.

“Yes, anything you want!” Shoto managed to answer.

The fingers pulled out of his cunt, and Toya moved down to his ass. Slick was leaking out of his hole already, and he felt the slight pressure of the fingers. His hole was already softened. Something that happened automatically upon entering the heat.

“God, I will breed you through your ass and your pussy!” Toya murmured. His finger pressed against Shoto’s sphincter, and the omega squirmed under his touch.

“Y-Yes! Do as you please, alpha!” He exhaled when the fingers got pushed in, two for the time.

His muscles clenched around them. It felt so fucking good! His feet were still up in the air; he flailed around helplessly while his alpha’s fingers fucked into his ass.

He screamed in pleasured pain when Toya hit something inside him that made him see stars.

“Shit, alpha, please!” Shoto begged. His hands moved down, grabbing onto his pussy lips and pulling them apart. “I-I need you so much! I-I can’t take it anymore!” he stammered.

“Are you ready to get my big alpha cock?” Toya hummed into his brother’s ear.

“Yes! I’m so ready! I’m leaking so much!” He cried.

“Fine, then you really should get my cock.” The alpha pulled his fingers out. He looked down at the spread pussy lips. God, it looked so amazing. Slick covered the pink flesh and made it shine, even in the dimly lit room.

Toya knelt in front of Shoto now; his cock was pulsing; it was rock-hard and sensitive. Pre-cum already leaked out. He slapped the shaft against the exposed cunt, and Shoto groaned heavily. “M-more, I-I need more!” He huffed.

The alpha crawled closer and let the tip of his cock slide in. He did it slowly; it was almost agonizingly slow.

Shoto stiffened because it hurt for a moment so much. His back arched, and he started to squirm again. His hands, still holding him open, trembled.

“Almost there, my pretty little omega. Ohhh!” Toya groaned when his cock was welcomed by the wet folds of his omega. It had been so long since the last bitch let him wet his cock inside her.

He was now fully sheathed in. His balls pressed against Shoto’s pussy; he couldn’t go an inch deeper. Tears ran out of Shoto’s eyes, and he needed some time to adjust himself.

He felt so full, and it was painful but so bittersweet at the same time. He loved it! “Just would you look at that,” Toya mumbled, “I always wanted to know how you would look around my cock, my pretty little omega. You fit me so well. You were made for my cock!” he laughed. “As if I ordered it from our mother.”

“Y-Yes, I was made to be your cock-sleeve! Use me good! You gonna breed me good, right?” He rambled on, his brain was heat-ridden, and he couldn’t speak clear sentences any longer. “Mama did a good job, right? Making me perfect for you to use!”

“Yes, you are perfect for me. A-And now I’m gonna make you more pups!” Toya grinned. “Oh well, they would be our children. We can create the most powerful ones!” He leaned down to kiss Shoto.

“Oh, yeah, we will make super-babies!” He moaned when Toya finally started to move. The thrusts were slow in the beginning. Slow but incredibly forceful. It shook Shoto to the core. His brain was downright out for now. “Super, perfect babies, mom and dad will be so happy!”

The slapping of their sweaty skin was so arousing. The fat cock pressed against his walls; it was purely amazing!

“Yes, they will,” Toya enthusiastically kissed Shoto while picking up the pace in exchange for the force.

Shoto wrapped his legs around his alpha’s hips and rolled with him, trying to catch every thrust. “Can’t wait to see you fat with my litter in you. You will be the prettiest omega in your class. So pregnant from me!”

“Yes! Get me pregnant! I want to make the others jealous.” He groaned. His insides felt so raw.

Toya slammed one last time into him before his seeds spilled into his brother’s tight hole. Shoto groaned when the knot expanded and closed him off. He was tangled in his brother’s arms, and it felt amazing. He didn’t want him to ever let go.

The redhead leaned his head against Shoto’s neck, inhaling the sex pheromones he put out. It was the most incredible thing ever!

The omega trilled in happiness when the knot moved a little. That was what he wanted: A partner who loved him, a cock shoved up his cunt, his hole filled with alpha seed, and a knot tugging at his rims.

“Amazing!” he spoke in awe, breathlessly.

“I feel the same. Shoto, your idea was amazing. I can’t even imagine how much I would have regretted it if I didn’t take this opportunity!” He kissed Shoto’s cheeks.

“A-Am I better than this Keigo-bitch?” Shoto asked.

“Absolutely! You are so tight around me. It feels amazing!” Toya rumbled. He didn’t want to think of his other omega fling.

He didn’t cheat on him. No way this was possible; after all, Shoto was his brother. He just wanted to put his pups in his omega brother’s belly. His omega brother, who was so much in heat that it even swayed his alpha. God, he was just perfect. His wet hole felt so good; no wonder he couldn’t resist.

How could he not want to breed him senselessly? The mere thought of someone else bitching his brother drove him angry.

“Shoto, promise me, you will always come to me for your heats, yes? Don’t let other alphas use you! Your pussy belongs to me!” He kissed him near his ear.

“Oh, yes, Toya, I’m all yours!” He felt Shoto’s fingers on his back, how they scratched his skin. It turned him on so much.

“You will give me so many pretty babies. You are pretty, I am pretty, our babies will just be the cutest!” Shoto rambled. He groaned when another load of cum was shot into him and the knot deflated.

Toya pulled out of him and rolled over. “Yes, my perfect little brother. I’m making you the prettiest babies of them all!” The sex pheromones aroused him instantly. His cock sprung to life, and he flipped his brother onto his stomach, grabbing the ass cheeks. “Shit, your ass is so pretty!” He leaned down to press his tongue against the wet, messy hole. He pushed past the sphincter, circling his tongue around.

Shoto squealed while grabbing the blanket’s fabric. He buried his head in the pillow while he enjoyed the feeling of his brother’s tongue in his ass. “W-Will you breed me through my ass too?”

“Oh, you bet that I will do that!” Toya murmured. He kissed the ass cheeks a few times before moving up. He sat up on his knees, pulling Shoto’s small body closer. The tip of his cock pressed against the sloppy hole. “Be ready,” with that, he pushed inside.

Shoto screamed and straightened his arms, supporting his weight on them. He felt the heavy thrusts of his perfect alpha. “You’re so good to me, alpha, so damn good!”

“You are my sweet little omega brother. How could I not be good to you? It’s my duty as your older brother to protect you and do everything you want, my cute little omega!” His voice switched some octaves deeper; his alpha took over.

He rolled his hips faster, pushing as deep as possible into the messy hole. The slick made squelching sounds, and this was so arousing for him.

The alpha groaned when he stiffened and came again. He moved Shoto’s body so they could lay on the side while they waited for the knot to go down.

Shoto turned his head around; his cheeks were red, his face sweaty. He looked so adorable! Toya kissed him sloppily. His hand wandered down to Shoto’s little omegan cock, and he started to pump it.

Natsuo made his way home. He had a huge argument with his girlfriend. He knew that Shoto and Toya were at home. He didn’t think of anything bad, but he could smell it as soon as he entered the house. He walked past the threshold and was immediately bombarded with an omega’s sex pheromones. Shit, Shoto was in heat?

The alpha took some deep breaths, a mistake, probably. His throat was dry when he registered that an alpha was with the omega. Wait, that was Toya’s scent!

The white-haired man stumbled closer to his brother’s room. He could hear loud moans through the closed door. No, they couldn’t do that! He had to stop them!

Angry, Natsuo opened the door, and the overload of sex pheromones fried his brain completely. His breathing was ragged, and he stared helplessly at the scene in front of his eyes. Toya balls deep into Shoto’s ass, sloppily French kissing, one hand working on the omega’s cock.

Natsuo’s own alpha growled when he saw that. In the back of his head, he knew that this was so wrong, they shouldn’t be doing this, but on the other, these pheromones were so strong and delicious! He swallowed heavily.

“N-Natsuo!” Toya and Shoto exclaimed. However, they didn’t stop their doing. Natsuo registered that Toya currently pumped his seed into Shoto. Both groaned, aroused.

“What are you doing?” The younger alpha asked, taking two steps in their direction.

“I-I’m breeding my omega. He has such nice holes!” Toya mumbled. “D-Do you want, too?”

“Yes, brother, do you want me to breed me too? I have two holes, one for each of you!” He said.

“Fuck, I shouldn’t …” Natsuo shook his head.

“But you want to!” Toya got up now, leaving Shoto mewling unsatisfied on the ground. “Come here. It’s not that bad. Get your cock wet and messy in Shoto’s pussy, or his ass, if you prefer.”

“Shit, okay!” Natsuo growled and undressed. The pheromones sent him into rut really quickly. His cock sprung free when the nasty fabric was finally gone. Toya sat behind Shoto, lifting him up on his aroused cock. Sliding in his ass once more. The omega mewled, tears in his eyes because he had been left alone for so long.

Toya lifted Shoto’s legs up, presenting Natsuo with the wet, cum-dripping pussy, “here, it’s all hot and wet for you, c’mon!”

Natsuo knelt down, cock twitching. Shit, Toya was so right! All his brain cells said goodbye when he saw slick and cum flowing out of Shoto. Time to stuff him up!

The alpha grabbed his cock and moved closer, splitting those cute lips apart and sliding in deep. Shoto let out a sweet little sound when the second, pulsing cock got shoved inside him.

The two alpha’s waited a while to give him time to adjust before they started to bounce him onto their cocks. “Oooh! M-My alphas!” Shoto cried out.

They moved now ferociously into him. Shoto’s arms were wrapped around Natsuo’s neck while they thrust into him. They rolled his hips, and he could feel them so deep inside. It was abnormal, how good it felt!

Shoto’s brain was deep-fried from the heat, he drooled, and his tongue was hanging out. Natsuo started to kiss him, while the tempo got even wilder.

Eventually, Toya came first. His knot locked him into Shoto’s ass. Not even a minute later, Natsuo shot his load into him as well, stuffing up his sweet pussy. Shoto stiffened when he felt the double knots inside him. It felt so wonderful!

“Oi … Toya,” Natsuo murmured.

“What?” The redhead asked.

“But what if I get him pregnant now?” Natsuo sounded concerned.

“Oh, well, even though I wanted to make him the first litter, I guess it stays in the family, so I can live with it. I just don’t want any stranger alpha to pup him.” Toya looked at Natsuo with his red glowing alpha eyes.

“Yeah, true, unthinkable if any other alpha would knock our little brother up. We should be the first!” He drawled. All of them had trouble concentrating on their words.

“I want pups from both of you!” Shoto mumbled. “I’m your breeding bitch, and no one else’s!”

“You are such a good little brother!” Natsuo nuzzled his nose against Shoto’s neck, absorbing the pheromones even more. “God, you really are made for our cocks!”

“Yes, I know! Mama did a good job!” Shoto laughed, high from his heat.

They released their load at the same time, making Shoto moan louder. Finally, the knots deflated, and Shoto stood up. White cum dripping out of his cunt and ass. “You want some? Cum mixed with slick and squirt? It’s delicious!” Shoto’s eyes glowed yellow; he placed a finger on his lips, cheeks so damn red.

“Of course!” Natsuo leaned forward and pressed his mouth against Shoto’s dripping cunt. His tongue penetrated the pussy of his little brother; he tasted so perfect.

Toya once again ate Shoto’s ass out. Fucking hell, why was everything his brother made so damn delicious?

After a while, Shoto was licked clean, and he sat back down; he was drowsy. “I-I need to rest for a while.” He mumbled.

“Yes, that’s fine. You did so great, little brother, taking our cocks like a champ!” Toya kissed him.

“Absolutely, take a nap,” Natsuo brushed through the red side of Shoto’s hair. The omega fell asleep quickly.

The alphas were next to him, thinking of what they could do now. “I wonder if Fuyumi would like to pup him too? It’s Shoto’s first heat, after all. And he told me he wanted a special alpha, and who could be more special than his own siblings?” Toya mumbled.

“We should text her then. She deserves to wet her dick in his pussy.” Natsuo answered. His fingers slowly circled over Shoto’s clit.

“I quickly sent her a text. Maybe she’s up for it.” Toya stood up to grab his phone. Natsuo stayed behind, still fingering his brother.

He never thought he would enjoy the sick pleasure of fucking his brother. God, they were such awful sinners. But then again, it seemed so destined! Why else would their brother’s pheromones lure them in so much? It had to be right!

Natsuo went down between Shoto’s legs and wrapped his mouth around the omega’s penis. He licked and sucked on it while his baby brother slept peacefully. His flattened tongue licked over the short shaft; it tasted so amazing. His fingers spread the pussy lips apart, and he moved deeper.

His greedy tongue pushed into the sloppy, wet folds. He pressed as deep as possible; luckily, an alpha’s tongue was a little longer than a beta or omega tongue. His spines caressed the insides of Shoto’s cunt. He moved his tongue counter-clockwise in slow movements.

The soft moans that Shoto made in his sleep were music in Natsuo’s ears.

Toya entered the room after a few minutes. “She’s on her way. However, I didn’t tell her what we are doing. I don’t want her to freak out.”

Natsuo hummed and gave a thumbs up. He didn’t want to leave his brother’s cunt to answer. He swallowed the deep masses of slick that his brother produced.

“Hey, let me now! It’s my turn!” Toya said. He grumbled slightly.

Sighing, Natsuo pulled out; he gave a last kiss on the wet lips before rolling over.

Toya lay on his stomach and immediately kissed his brother’s cunt. His tongue dove deep inside. He sucked in the slick as if his life depended on it. The sounds were lewd and arousing. God, he wanted to fuck him while he was sleeping so peacefully.

But he had to keep calm. No, they wouldn’t do that just now. So he focused on drinking all the juices instead. Shoto was dripping by now.

Fuyumi opened the door, immediately smelling the sex pheromones. She had only briefly talked with Toya. Something about Shoto’s first heat? Fuyumi was a bit concerned that her baby brother could be scared. Shoto was, aside from their mother, the only omega in the house.

The alpha woman walked over to Shoto’s room. She wondered where her brothers were.

“Shoto? Are you awake?” She spoke. She had to pinch her nose because the pheromones drove her insane.

Natsuo opened the door. Much to her shock, he was completely naked, and his chin was covered in slick! “What’s going on here?!” Fuyumi squeaked.

“Sh! Come in! We are celebrating Shoto’s first heat!” Natsuo beamed.

By now, Shoto was awake again. “Fuyumi! Do you come to breed me too?” He asked, still with a sleepy undertone.

“Breed you?!” Fuyumi gasped. “Wait, did you breed him?” Her eyes move from Shoto to Toya and then Natsuo.

“Yes! And he’s just perfect! You will love it! Mom did a good job, forming him perfectly for our cocks. Come!” Natsuo grabbed her hand. “Inhale!”

He pushed Fuyumi closer to Shoto, she accidentally inhaled deeply, and her eyes started to glow in a soft red. “Oh my god! You smell so amazing!” She whispered.

“Yes, I know! Come, sister! My cunt is your home too!” Shoto murmured, still heavily blushed. His eyes were foggy, and he had a lopsided smile.

“This is wrong. What if you get pregnant?” She asked.

“As long as it’s from one of you, I’m totally happy! My first pup should be from one of you!” He trilled.

Fuyumi’s eyes also turned red; she slipped into rut incredibly quickly. This omega was in an extreme heat, and his pheromones were so overwhelming! “O-Okay!” she said, her brain entirely stopped working.

She fumbled with her blazer, suddenly the task of opening the buttons was so hard! After the blazer, her blouse followed, Toya huffed. He grabbed her bra and pulled it over her head, to her surprise. Her tits jiggled around when they came free.

Fuyumi lay back and opened her pants. “Help me, brother!” she said. Toya scoffed and grabbed her pants, she lifted her ass, and he pulled them down. Her cock was going hard too. “This shouldn’t happen,” she mumbled.

“But it does, and it’s the best!” Natsuo said. “Come, Shoto’s waiting for you!” He serenaded into her ear.

“Yeah, you are right. I’m coming to your aid, brother!” She said, moving closer. “Let’s make your first heat special!” She grabbed her cock; it was significantly smaller than Natsuo’s or Toya’s but definitely bigger than Shoto’s. She pumped her member and then pushed into Shoto. “Does this feel good, brother? Do you like it?!” She asked.

“Oh, yeah! Yes! YEAH!” He stammered. He repeated those words every time Fuyumi pounded into him.

Her tits slapped against her skin when she moved. Shoto looked at them before extending a hand to grab them. His legs were wrapped around his sister’s hips, keeping her in place.

Shoto moved up and let his tongue swirl around Fuyumi’s nipple. He teased the little nub with short flicks. “Oh, Shoto, yes!” She exclaimed while coming into his pussy.

“Yay, good job, sis! Fill him with your cum!” Natsuo applauded.

“Oh, this is the first time I have sex with a male omega …” she murmured.

“Am I good? Do you like my pussy?” Shoto mewled.

“But of course! My cute little brother has the best pussy ever!” She purred happily.

“Oi, Fuyumi! Natsuo!” Toya called them. “Let’s all have some fun!” He wiggled his eyebrows. “After all, Fuyumi has a cunt as well.”

She huffed. “Fine,” she leaned over Shoto, presenting her unoccupied cunt.

“Oh, I want to go first!” Natsuo said.

“You sure you can take my cock up your ass?” Toya questioned.

“Pah, sure, if you get it covered in slick,” Natsuo moved his hand toward Shoto and pushed against his ass. Slick flew out of it onto his hand.

“Here, get your cock wet,” Natsuo grabbed Toya’s dick and rubbed it.

“Damn, you’re doing a good fucking job!” The redhead grinned.

“Well, yeah, obviously! Now excuse me; my sister’s pussy awaits me!” Excitedly, he grabbed onto her hips. He grabbed his cock and aimed for her cunt. Fuyumi groaned when her brother entered. Her head was next to Shoto’s neck, directly inhaling more sex pheromones.

Natsuo waited until Toya was ready before he moved. The redhead’s hand was covered in Shoto’s slick, and his cock was so wet from it now he smeared it onto Natsuo’s asshole.

Carefully, he pushed his large cock in. The white-haired alpha groaned in pain. But he would manage!

After some time to adjust, they started to move. Fuyumi’s knot deflated in the meantime, but she was ready to go again when she felt the stimulation in her own pussy.

They moved rhythmically into one another. Shoto was a hot, moaning mess. His heat got even worse now.

The slapping of sweaty skin filled the room. Natsuo grabbed onto Fuyumi’s tits and pulled her up a little bit. “God, sister, I can finally say it, but I always admired your tits. They are so perfect!” He said. “Your cunt is also sweet and tight.”

“Thanks, but I know it’s not as good as an omega’s pussy!” She looked over her shoulder. While her brother came into her, she ejaculated into Shoto.

Toya was the last to come, and now everyone was locked together. Fuyumi fondled with Shoto’s cock while they waited. “God, what will mom and dad say when they see us like that?” She wondered.

“Oh, we are just creating the prettiest babies. You will see! They will be ecstatic!” Toya laughed.

“Hey, Shoto, would you take our dad’s cock as well?” Natsuo asked.

“If he wants to,” the omega said, “but first, I want to take all of yours. Can we manage to make this happen? All at once?” he asked.

“Sure thing, brother.” Toya gave a thumbs up.

It took a while until the last knot was down. “Okay, I will be under Shoto. Fuyumi, you go into his ass, and Toya, well, you can choose,” Natsuo proposed.

“Okay, sounds good,” Fuyumi answered. She was a little out of breath.

“I’m so excited! I’m gonna take all my siblings!” The omega laughed.

“Yeah, like a big boy, you will take all of our cocks!” Fuyumi massaged over his cunt, while they got ready.

Natsuo lay down on the ground, and Shoto straddled him. He kissed his brother’s mouth before carefully sliding down on his cock. “Number one!” he counted.

Now Fuyumi got up and stroked herself hard. She spread his ass cheeks and slid home. Shoto let out a deep groan. Now only one was missing. He could definitely take it! “Number two!”

Toya knelt in front of them. Casually fucking his hand while he decided if he would rather go into Shoto’s pussy or his ass. Both looked so wonderfully stretched with his siblings’ cocks inside.

He sighed and moved closer, aiming for his pussy. He forced his way into it. It was so damn tight with Natsuo already in.

Shoto moaned loudly when his rims stretched over their limit as the third cock entered him. It almost felt like he got torn apart. “Number three!”

“You good, Shoto?” Fuyumi asked.

“Yeah, of course. I never felt better!” The dual-haired boy answered.

“Can we move, Shoto?” Toya asked.

“Yes, I’m good to go!” The omega gave his okay.

The alphas didn’t have to be told a second time. With slow movements at first, they began to tear apart his pussy and ass. Especially his poor pussy.

“I’m going to be so mad if you don’t end up pregnant after this ordeal,” Toya murmured.

“That would be really unlucky. You give it your all!” Shoto panted.

He mewled and moaned when he got penetrated so hard. The pace got quicker.

“Oh god, I’m cumming!” Fuyumi groaned while spilling her seeds into Shoto’s ass. She knotted him without hesitation.

“You think you can fit a triple knot?” Natsuo questioned.

“I don’t know, but try it anyway!” Shoto encouraged them.

“Alright!” With that, Natsuo shot his load, and only seconds later, Toya followed. His pussy was stretched even more when the knots expanded.

He was so full that his belly bulged because of the cum inside him.

“Oh my god! So full!” His omega was deeply satisfied now. This was what he needed!

“Hey, let’s take a picture!” Natsuo said. “To remember this glorious moment!” He was crazy on the brain. Shoto’s heat melted his working brain cells away.

“Sure, sounds good!” Fuyumi laughed.

Natsuo grabbed his phone next to the futon and gave it to Toya. He took some pictures.

“God, this is perfect sibling bonding!” Fuyumi joked. “Fucking our baby brother … if that doesn’t bring us closer together, I don’t know …” She chuckled.

Shoto felt three loads of cum spilling in. His head was spinning from all the stimulation.

Sadly, the knots went down way too quickly, and they ended their little formation.

“I-I’m gonna rest again,” Shoto stammered. “So tired! But look at my bloated belly. I simply have to take with that amount of cum inside!” He sounded hopeful.

“Oi, can we fuck you in your sleep?” Toya questioned.

“Yeah, sure, just don’t be too rough,” the omega murmured before drifting off.

“So, Fuyumi,” Toya stared at his naked sister. Natsuo was balls deep into a sleeping Shoto. He gently rolled his hips.

“Hm? What is it?”

“Could you technically impregnate yourself?” He wondered.

“I’m not sure. I don’t think it’ll work,” she answered. “Do you want me to try?”

“Hell yes! And afterward, I will fuck your cunt, okay? Natsuo had his shot.”

“Alright, sure.” She grabbed her cock and started rubbing it with both hands.

“That looks so damn amazing, you jerking off, skin sweaty, face red. So cute,” Natsuo murmured while rolling his hips into Shoto.

“Thanks!” She moaned when she came into her hands. She made sure to collect as much cum as possible. After that, she pushed her dripping fingers into her pussy. She managed to shove her entire fist in. She fist fucked herself, releasing the collected seed into her. “Oh well, if that really works, this will be hard to explain,” she scoffed, pulling her hand out.

“Yes, but also hilarious.” Toya laughed. “Come here, ride my cock,” he sat back and slapped on his legs. Enthusiastically purring, Fuyumi got up and straddled his legs, hovering over his cock.

“You do know that I can get pregnant too? Not just Shoto? Do you want to make me pretty babies too?” She giggled.

“If it happens, then it happens. No can do,” he grabbed her hips, “Now, get down, I feel so lonely!”

Teasingly, Fuyumi rubbed her pussy against her brother’s cock. “Oooh, poor you. So needy to fuck your brother and sister,” chuckling, she grabbed his dick and moved down.

“Ooooh, so big and perfect,” she grinned before bouncing with quick, rapid movements. Toya pressed his face into Fuyumi’s tits.

Natsuo groaned, and his knot released. He moved away from Shoto and turned to his siblings. “Let me join!” The other two stopped their bouncing, and Natsuo positioned himself. He forced his cock into Fuyumi’s pussy as well.

“Oh, damn! Natsuo!” she exclaimed, “warn me before doing that!”

“Sorry, but I want to feel your pussy too,” they started moving again.

“Insatiable, right?” She laughed. “Oh well, go ahead.”

After their knots went down, they cuddled close together, and they all slept for a while.

Shoto woke up to the feeling of his pussy getting licked. He blinked and saw Fuyumi. She sensually kissed his lips, and he could hear the smacking sound of her lips against his. Her tongue worked him too, and it was just the sweetest. “Y-you’re so nice to me, F-Fuyumi,” he moaned.

“Anything for my baby brother! You deserve just the best treatment!” she grinned. Toya and Natsuo were still sleeping.

She placed a few more kisses on his pussy lips before sitting up. She put one of Shoto’s legs over hers and pulled him closer. Their pussies met, and Shoto mewled. She started to rub them together, wet, lewd sounds coming off of them.

After a few minutes, she grabbed her cock and pressed it against Shoto’s. She started to rub them both with her hand while still stimulating his pussy with hers.

“Oh, Fuyumi, that’s so great,” he whined.

“Do you want to suck me too?” She asked, head tilted to the side.

“Y-Yes, never done it before, but I want to taste you too.” Shoto propped himself on his elbows.

“Alright, then come!” She moved back and opened her legs.

Shoto got up and in between them. Still a bit cautious, he stuck his tongue out and carefully pushed it against the tip of Fuyumi’s penis. His sister moaned when he did that. Then, she leaned back and let him figure it out independently.

The omega opened his mouth and wrapped it around her cock. It tasted so good. “Hey, do you think you can fit a knot in your mouth? My cock isn’t as big as a male alpha’s, so you shouldn’t have trouble,” she questioned.

Shoto let go of her. “I’m not sure, but I’m willing to try if it is for you.” She smiled happily.

“Oh, oral knotting sounds good!” Toya said, now finally waking up. “Come, lay on top of me, Shoto. We will give you another triple knot!”

“Yeah, right! I can do that!” Shoto smiled and gave his sister a kiss. He then crawled over to Toya. He impaled his asshole with Toya’s cock, he leaned over, and his back was pressed against Toya’s chest. “I’m ready, sister,” he said happily.

Fuyumi got up and crouched down over Shoto’s face. She let her cock slip into his open mouth. Natsuo, on the other hand, pushed into Shoto’s pussy.

All three started moving again. At first, the oral stimulation was a bit much for Shoto, but he got used to it quickly.

“Oh, this will be a good breakfast, Shoto. You need to eat healthily!” She laughed. Shoto purred around the cock in his mouth.

“I have a fantastic look from down here,” Toya grinned. They rutted harder into Shoto’s holes.

Fuyumi came first, and her knot expanded behind Shoto’s teeth. The other two came shortly after.

“Just look at that. You look so beautiful with my cock in your mouth! You really were made perfectly by mom! How could she know to make you so perfectly?” Sweat was dripping down her face.

“Mom is a genius! She made Shoto in a way so he could fit all our cocks. No one but her would have managed to do so.” Toya grinned.

“Too bad they are on vacation. Now I wonder how she feels wrapped around my cock,” Natsuo murmured.

“Maybe another time,” Fuyumi said. “But we should focus on Shoto now! Those babies don’t come on their own! If we don’t get him pregnant, we didn’t do a good job!”

“You are so right!” Toya said.

Fuyumi’s knot released, and Shoto swallowed her cum. “Wow, Shoto, swallowed like a champ!” She praised and got off.

When they were done with this round, Shoto sat back down. His belly was so bloated. “I wonder if it worked. I look so pregnant already!”

“It has to!” Natsuo rubbed over the belly.

“My classmates will be so jealous! They don’t have such lovely siblings that give them pups,” he said.

“Oh, well, if they are in need, you can bring them over. I’m sure we can be … some sort of siblings for them,” Toya laughed.

“Sure!” Shoto smiled.

“Hey, you think you can take all our cocks in your mouth? Without knotting, though,” Natsuo questioned. “I want to spray my load all over your cute face!”

“Then for what do you wait?” Shoto grinned. The alphas laughed and got up and in line. Shoto wrapped his hot, wet lips around Natsuo’s cock, and the alpha fucked into his brother’s mouth. He let out messy moans when Shoto brought him closer to orgasm. But before it could happen, he stopped.

The young omega moved over to Toya and got his dick ready in his mouth. “You are such a big boy, taking our cocks so well. Good job, Shoto!” Toya caressed his brother’s hair.

Shoto purred before moving over to Fuyumi. He worked her quickly, and when every alpha was on the brink of orgasm, he sat back on his knees.

They pumped their hard cocks with their fists for a while before they shot their cum all over Shoto. White strings of jizz sprayed onto his face and hair, dribbling down his chest. Shoto tried to catch as much with his mouth as possible.

“Oh God, you look like an angel, covered in our come!” Toya exclaimed. He licked some cum streaks off of Shoto’s face.

“Thank you, brother!” Shoto was red-faced. He purred happily; the sex pheromones still lashed out.

They continued to breed the living shit out of Shoto for the entire four days that his heat lasted. They gave him the occasional toilet break, and they made sure he ate and drank enough. However, they would even breed him in his sleep. They bloated him so damn much.

Toya was balls deep into Shoto’s ass, Fuyumi was in his cunt, and Natsuo was in Fuyumi’s pussy. The woman made out with her little brother; while fucking they sloppily kissed. It was just heaven! Toya and Natsuo changed their positions frequently so that everyone had the opportunity to either breed Shoto or Fuyumi.

Then the fourth day came, and Shoto woke up with a somewhat clear head. His siblings were next to him, and he remembered his heat and what they did. In fact, Fuyumi’s and Natsuo’s hands were stimulating his engorged pussy with their fingers while Toya fondled his cock. The two younger siblings spread Shoto’s lips, and Toya slowly moved in. He knew that Shoto wasn’t in heat anymore. Still, he couldn’t help it.

“You are so perfect, brother, one last time, okay?” Toya moaned while slamming into him.

“Just because it’s you.” Shoto groaned. They waited for Toya’s knot to come down.

“So, … this really happened, huh?” Fuyumi sat up. She was clear too. “God, we are disgusting.”

“Do you regret it?” Natsuo asked.

“We should. But on the other hand, it just felt so amazing, and look how pregnant Shoto looks …”

The bump of his belly got wider when Toya emptied the contents of his balls a last time into him.

“Cleaning up will be a mess,” the redhead groaned.

“I’m nervous,” Shoto confessed. “What if I’m pregnant? What if I’m not?” He rubbed over his bloated belly.

“Well, we will see soon enough,” Fuyumi gave him a short kiss on the forehead.

They were right; cleaning up was a total mess. It took ages to get all the cum out of Shoto and Fuyumi. Natsuo and Toya cleaned the bedroom during that time.

The following two weeks took ages to go over. Their parents were still on vacation for another two weeks. So they didn’t have to fear their rage too fast.

Fuyumi went to the pharmacy to get some pregnancy tests. She was curious but also dreaded the outcome.

Shoto was nervous while peeing on the little strip and the next two minutes felt like an eternity. Fuyumi shared the feeling.

All four of them looked down on the pregnancy tests when it was time. Then, they let out gasps of joy. “Pregnant! Both of you!” Toya cheered.

“Damn! Now I wonder, who got whom pregnant!” Natsuo bounced up and down.

“Well, we will have to wait until the pups are born,” Fuyumi said.

“God, I’m so happy, but what will my classmates say? Pregnant at fifteen,” he scratched his head.

“They better be jealous of you!” Toya bared his teeth. “Otherwise, I’m gonna rip their heads off.”

“Oh, I think that’s a bit too much.” Shoto chuckled.

Eventually, their parents came back. Rei beamed happily at their children. She and Enji didn’t know what had happened yet.

“Oh, children, we have an announcement to make!” Rei said.

“What is it, mother?” Fuyumi asked.

“You get another sibling!” She told them, smiling. The four gasped.

“You are pregnant?” Natsuo couldn’t believe his ears.

“Yes! I surprisingly entered my heat while we were on vacation, and we thought, yeah, why not!” Rei looked up to Enji.

“Yeah, one last time.” Enji nodded. “So, how was it for you?”

The four siblings looked at each other sheepishly. Eventually, Fuyumi stepped forward. “Well, mother, father. We have some announcements to make as well!” She cleared her throat again. “I am … pregnant too!” Better start slowly.

Enji and Rei looked at each other before turning back to their daughter. “For real? You are pregnant? I didn’t know you had a partner!” Enji blinked a few times.

“Well, yeah, I don’t exactly have a partner. But I can explain later because that wasn’t all.” She looked over to Shoto.

“Oh, uh, ahem, I am … also … pregnant,” his voice was meek at the end. However, Enji’s and Rei’s expressions dropped, and they stared at their youngest son.

“Excuse me, what? Shoto, you are fifteen!” Rei said, panic filling her voice.

“Who did this?!” Enji growled. Sheepishly, Fuyumi, Toya, and Natsuo raised their hands. Enji got pale when he saw that. “WHAT?”

“Shoto entered his first heat, and … well, he has extreme heats. So we couldn’t really do anything against it,” Toya murmured.

“So you heat shared all three with him?” Rei looked to Fuyumi. “I-is that the reason you are pregnant as well?” She was pale on the face.

“Yes. I ended up pregnant too.” She had her hands behind her back, fidgeting nervously.

“Oh my God, I can’t believe this … And you didn’t think to … I don’t know, use contraception? Worse enough, you did it in the first place, but to get him pregnant at such an age …”

“No, we had no contraception. It wasn’t really planned. When we inhaled his sex pheromones, our brains just short-circuited.” Toya answered. “Our only goal was to get him pregnant …”

“Yeah … We really didn’t think that through, but now it happened. So we will manage somehow,” Natsuo said.

Enji buried his face in his large palm. “I can’t believe that …” he sighed exasperatedly.

“A-And who is the sire?” Rei looked from Shoto to Fuyumi.

“We don’t know. We will find that out when the babies are born,” she said.

“Do you really want to go through with it? It’s not too late to …,” Rei cleared her throat, “abort the babies.”

“No!” Shoto and Fuyumi said in unison. “We will take care of them,” Fuyumi emphasized.

Rei sniffled a little bit. “But what are you going to say at school? You can both never tell how the babies came to be!”

“Yeah, we know that. I will … I don’t know, say something. A secret lover, whatever. No one needs to know!” Shoto looked at his mother with determined eyes.

His parents sighed. “I really can’t believe this would happen to my family,” Enji murmured.

“Us neither. But now it is what it is,” Natsuo said.

“I hope this will all work out somehow,” Enji grumbled a little bit.

“It will, dad. I’m sure it will,” Toya nodded.

Shoto got, of course, loads of questions when he started showing. His omega peers asked him how this happened and if he wanted it. He calmed them down by telling them that this happened consensually.

Of course, they also noticed that Fuyumi and Rei were pregnant, and some had wild conspiracy theories. Luckily, they didn’t state the very obvious stuff.

Shoto gave birth to triplets, two boys and one girl. Fuyumi had twins, two daughters, and Rei had a single baby, a daughter. They organized DNA tests for the babies, and they couldn’t believe what they saw. Shoto had half-triplets. All of his siblings had sired him a child. The same happened with Fuyumi and her twins.

“I can’t possibly believe that. Holy shit,” Toya murmured when he held his son in his arms.

“As it seems, self-impregnation is not a thing …” Fuyumi mumbled.

“What?” Rei asked, shocked.

“Oh … uh, I-I was curious if I could get myself pregnant … But that didn’t work,” she scratched her cheek.

“Oh dear Lord!” Enji grumbled; he had his daughter in his arms. “Please, do me a favor and don’t… do that to her when she grows old enough.”

“No, we won’t. We promise!” Toya said.

“Yes, we promise!” Natsuo and Fuyumi said too.

“Oh well, then let’s hope for the best,” Enji pinched the bridge of his nose.

Shoto grinned brightly when he held his baby boy. Yeah, they wouldn’t do that in the future. He was still very happy with how everything turned out. He didn’t regret having heat shared with his siblings. He would probably not do it again, at least not until he was of age.

He wouldn’t mind more pups from his siblings if he was honest, but he didn’t tell them that.