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As the Moon Knows the Stars

Summary:

On the day Sirius Black turned seventeen, he had his soulmark removed in order to protect the soulmate he'd never met from the wrath of his own family. In the eight years since, he's managed to make his peace with living the rest of his life without falling in love. Though he mourns his lost soulmate every day, he's confident he made the right choice to protect them, and no one has ever made him question that.

Until, of course, Lily Evans brings her childhood friend along for a pub night, and Sirius finds himself utterly enamored with the kind, mysterious stranger. But Remus Lupin surely has a soulmate of his own waiting out there somewhere, and Sirius won't let himself get in the way of that.

He just wishes Remus weren't so damn easy to love.

Notes:

My submission to HP Soulmates Fest, based on the following prompt:

Character A had a soulmark on their arm, but they have a dark and sorted past. They remember every loop and every cross that formed the design. Out of desperation, to protect the one they loved but had never met, they had the mark removed. Now, in the most unlikely setting they have found Character B. How are they going to convince them this is real? How will Character B react?  

I really took this prompt and ran with it, so I really hope you all enjoy what I came up with!

Before we get started, a few thanks are certainly in order!

First, to E: for being a wonderful alpha reader and tolerating my late night ramblings whenever I had a new idea for a scene (and also for not hating me when I changed my idea COMPLETELY after already having half of another fic written).

Second, to L: for being an AMAZING beta and for your endless patience while I worked on getting this fic finished. I appreciate you so much!

And third, to the mods: for granting me a frankly ridiculous number of extension requests thanks to my insane idea to change my entire story right before the deadline. I am SO appreciative of you for your patience and encouragement. You are all incredible!

Also! A quick but important note about this story:
Sirius is written as a neurodivergent character in this fic, and he displays several neurodivergent tendencies throughout. The way I wrote his character was inspired my own experiences as a neurodivergent adult, but it's important to clarify that neurodivergence looks different from person to person. Sirius, in this story, is not meant to reflect any particular formal diagnosis. He simply is who he is, and I have honestly loved writing him as such. With that in mind, please remember to be kind to one another and to understand that our differences are something to be celebrated. I really hope I did a good job showcasing that in this fic in the way Sirius interacts with Remus and with his closest friends!

Without further ado, I hope you enjoy my contribution to HP Soulmates Fest! I cannot wait to hear what you all think!

Chapter 1: Prologue

Chapter Text

November 1976

The day Sirius Black turned 17 was anything but celebratory. It was so awful, in fact, that Sirius often wondered later whether it had been one of the worst days of his life.

As he sat in the exam room at St. Mungo’s Hospital for Magical Maladies and Injuries, left to compose himself after the procedure was completed, it occurred to Sirius that perhaps it was mildly pathetic for him to be so put out about the whole ordeal. He’d made the appointment himself, after all – and months ago, at that. Nobody had forced him to do it, so why was he still sitting on the uncomfortable, lumpy bed, knees drawn up to his chest, crying like an inconsolable child?

A soft knock at the door startled him, and he looked up with puffy, red eyes as it was slowly pushed open to reveal a hesitant James Potter.

“Hey,” James said quietly. He hovered in the doorway, half inside the room and half outside.

Sirius swallowed. “H-hi,” he managed to eke out. Then, he dissolved into a fresh bout of tears. James quickly shut the door behind him and closed the distance between them in seconds, pulling a trembling Sirius into his arms.

“Shit, Sirius…” James whispered, tucking Sirius’s head into the crook of his shoulder and holding him tightly.

“It’s gone,” Sirius sobbed. He clung to James’s jumper like a lifeline, too distraught to worry about soaking it through with tears. “And I know I made the r-right choice… but it hurts, Jamie, and I only did it because of them.”

The venom in his voice made it sound like snarl, and he had never wanted to curse his awful, bigoted mother and father more. They were the reason he was here. They were the evil cretins from whom he wanted to protect a stranger he’d never met. Even now, with Sirius being seventeen and officially emancipated from his parents’ grasp, they continued to poison his happiness; them and their disdain for the idea of their oldest son ever being with someone who wasn’t a pureblood girl from an acceptable family. The Black family had been known to kill off “undesirables” who matched with their heirs, simply to make it easier to force them into an arranged marriage, and Orion and Walburga had never been the type to break the Black family mould, so there was no sense believing they might now.

In the eyes of Sirius’s parents, no one could possibly be more “undesirable” than a man matched with their eldest son and heir; and Sirius was certain it would be a man. He’d known that much for years now.

“Gods, Sirius, I’ll kill your parents one day. I swear to Merlin,” James said through gritted teeth, holding Sirius even tighter.

Sirius let out a sound that was half of a sob and half of a laugh. “Promise you’ll make it a Pensieve memory for me if you do?” he asked bitterly.

“Obviously,” James huffed, and it made Sirius feel ever so slightly better for a moment until a fresh wave of grief washed over him.

“He’ll never know how much I wanted him,” Sirius sniffled. “Even if I find him, I’ll never be able to prove that we’re soulmates without a mark. I- I don’t even have a picture. Just a drawing.”

James, ever the optimist, was annoyingly hopeful in his reply. “It’s still possible, though,” the younger boy said in a strained voice.

“Sure,” Sirius scoffed. “If you think actual miracles count as a possibility.”

James squeezed him tightly and sighed. “I do.” 

When Sirius finally calmed enough to walk out of the exam room with a shred of his dignity still intact, he allowed James to lead him to the Floos downstairs, listlessly following the familiar mop of messy, black hair. One handful of Floo powder later, the two of them landed in the fireplace in McGonagall’s office. Her sympathetic gaze was far too difficult for him to meet fully, and he kept his eyes down for the entire walk back to Gryffindor tower.

“Sirius…” James began when the dorm room door closed behind them. Peter was gone, probably with the chess club in the Great Hall.

But Sirius shook his head, and James instantly understood what it meant. I don’t want to talk right now. Instead of pushing the matter, James pulled on pyjamas while Sirius did the same, and climbed into Sirius’s bed beside him.

“J-James…” Sirius croaked, his voice going wobbly.

“I know,” James said, pulling Sirius into his arms for the second time that day. “I know.”

It might have been minutes later, or it may have been hours, but eventually Sirius fell asleep just like that – in the arms of his brother, mourning the loss of his soulmark, and the soulmate he would never meet.