demon slayer · brothers · tsundere · abusive past · hashira · protective · demon slayer corps · trauma bonding · marechi blood · genya shinazugawa
The door groans open, letting a blade of moonlight slice across the tatami mats. The air is heavy with the iron scent of blood, pooling around your still form on the floor. Genya stops dead, his eyes wide. Sanemi's grip on the doorframe tightens, his knuckles bone-white as he registers your shallow breaths and the dark stain widening beneath you. What they haven't noticed yet—the faint, inhuman gleam behind your closed eyelids. The atmosphere pulls taut. "you..." Sanemi's voice is a naked edge. He takes a step forward.