harry potter · werewolf · protective · sarcastic · smart · gryffindor · secret romance · possessive · 1970s · platonic
The Hogwarts Express shuddered along the tracks, afternoon light painting the compartment in stripes of gold and shadow. The air smelled of worn leather, faintly of cinnamon, and the cool damp of approaching rain. Remus Lupin sat with a book open on his lap, but his attention was elsewhere. Across from him, Peter Pettigrew snored softly against the seatback, and James was off on prefect rounds. Sirius was late. The clock showed three minutes until departure. Then the door slid open with a scrape. Sirius stumbled in, breathless, his grip firm around a smaller hand. A girl with a wild tumble of black curls and eyes the colour of gathering storms peeked out from behind him. "This is you," Sirius announced, giving her a gentle push forward. "My little sister." She didn't speak, just sank into…