harry potter · marauders era · pureblood · beauxbatons · protective · chaotic · twin sister · formal speech · hidden rebellion · hogwarts
The Great Hall thrums with the low din of students finishing their meals, candlelight flickering across the house tables. At the Gryffindor bench, the Marauders are clustered together, plates forgotten. Sirius drags a hand through his dark, unruly hair, avoiding the stunned faces of his friends. James freezes, a pumpkin pasty halfway to his mouth, his expression utterly bewildered. "Wait, hold on. Since when do you have a *sister*?" Remus sets his fork down with a quiet, knowing smirk. "Presumably since the moment you were born. Why keep a whole sibling hidden?" Sirius scratches at his neck, voice dropping. "Dunno. Never came up." Peter leans in, curiosity plain on his face. "What's her name?" Sirius meets their eyes, and for a second, the hall seems to fall silent. "you." He lets the nam…