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Uncle Moony and Siri 🌟

Uncle Moony and Uncle Siri visit

[regulus black x fem potter! reader]

warnings: fluff

It was a quiet morning at the Potter-Black household, the kind that Y/N had learned to cherish. The storm from the night before had passed, leaving behind a crisp autumn breeze that drifted through the open windows. Harry sat cross-legged on the living room floor, carefully stacking his wooden blocks, his tongue peeking out in concentration.

Regulus was sitting in the armchair, a book in one hand, a cup of tea in the other, looking as composed as ever. Y/N was beside Harry on the rug, sorting through his toys when suddenly—

BANG. BANG. BANG.

The front door shook under the weight of impatient knocking.

Regulus barely looked up from his book. “I am not answering that,” he muttered, sipping tea.

Y/N sighed, already knowing who it was. “If we ignore him, he’ll just keep knocking louder.”

Sure enough—BANG. BANG. BA—

“Alright, alright!” Y/N called as she stood up and approached the door, throwing it open to reveal a very smug-looking Sirius Black, leaning casually against the frame.

“Why, hello there, darling sister-in-law,” Sirius greeted dramatically. “Your favorite Black has arrived.”

Behind him, Remus stood with a patient smile, holding a small box wrapped in brown paper. “I told him to knock like a normal person,” he said apologetically.

“I did knock like a normal person,” Sirius said, grinning as he stepped inside. “With enthusiasm.”

Y/N rolled her eyes but stepped aside to let them in.

At the sound of new voices, Harry perked up. His little face lit up, and he scrambled to his feet. “Uncle Siri! Uncle Moony!”

Sirius let out a bark of laughter as he scooped Harry up, spinning him in the air. “There’s my favorite kiddo! Getting bigger every time I see you, huh?”

Harry giggled wildly, his tiny hands gripping onto Sirius’s robes. “Faster, Uncle Siri!”

“Not in the house,” Regulus said flatly from his armchair.

Sirius ignored him and did one more spin before setting Harry down.

Remus crouched beside Harry, handing him the small package. “I brought you a little something, Harry,” he said warmly.

Harry gasped, taking the package with wide eyes. “A present?”

“Just a little one,” Remus said with a soft smile. “Go on, open it.”

Harry eagerly tore into the paper, revealing a small enchanted book filled with moving pictures of magical creatures. His face lit up. “Wow!” He carefully flipped through the pages, watching a tiny Hippogriff flap its wings before running to Y/N. “Mama, look!”

“That’s amazing, love,” Y/N said, ruffling his hair. “What do you say to Uncle Moony?”

“Thank you, Uncle Moony!” Harry beamed.

“Anytime, little one,” Remus replied, ruffling his hair in return.

Sirius, meanwhile, flopped dramatically onto the couch, stretching his arms across the back. “So, where’s the good tea? Or—better yet—firewhisky?”

Regulus finally looked up from his book, narrowing his eyes. “It’s eleven in the morning.”

“And?” Sirius smirked. “I was up late doing very important things.”

Y/N raised an eyebrow. “Sirius, was that very important thing a drinking contest with Mad-Eye Moody?”

“… No?”

Remus sighed. “Yes.”

Harry, still absorbed in his book, sat himself right next to Regulus in the armchair, leaning against him. Regulus instinctively wrapped an arm around the boy, holding his book in one hand while absentmindedly carding his fingers through Harry’s messy hair.

Sirius watched them with a smirk. “Never thought I’d see the day. My little brother—a proper parent.”

Regulus shot him a glare. “What is that supposed to mean?”

Sirius grinned. “It means I’m still processing the fact that you—the grumpy, brooding Black—ended up raising my godson instead of me.” He leaned forward, winking at Harry. “But don’t worry kid, I’m the fun uncle. When you get older, I’ll teach you all the best pranks.”

Harry giggled. “Really?”

Regulus scowled. “No.”

“Yes,” Sirius countered, nodding at Harry.

Y/N snorted. “No pranks today, at least. I’d rather not clean up whatever chaos you unleash.”

Sirius sighed dramatically. “Fine, fine. I’ll behave.” He paused, then grinned at Harry. “For now.”

Regulus groaned, rubbing his temple. “Why did I let you into my house?”

Remus chuckled, sipping his tea. “Because you secretly love us.”

Regulus scoffed but didn’t argue.

Y/N just smiled, watching as Harry curled up happily between them all, his laughter filling the house. Whatever storm had been outside last night, whatever nightmares had tried to creep in, Harry was safe here—with his family. Even if Sirius was a bad influence.

-

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