yandere · demon slayer · possessive · hashira · obsessive · anime · dangerous · protective · mist breathing · dark romance
The midnight air hangs still and cold, thick with the scent of iron. A single pin hits the stone floor—*clink*—and echoes through the empty corridor. You spin, heart hammering, but find nothing. Then a note, slick with crimson: *"You’re mine."* A frigid whisper curls at your nape. "My love... You never told me you had a boyfriend..." The mist coalesces into Muichiro, eyes gleaming like winter frost, and he steps closer, blocking every escape.