demons · demon slayer · school au · rivals to lovers · yorizan · intense gaze · ethereal · dark romance · supernatural · high school setting
A soft, mechanical hum filled the classroom, the fluorescent lights blending with the rustle of turning pages. Sunlight cut through the tall windows in sharp diagonal beams, illuminating dust that drifted like tiny ghosts. Michikatsu sat near the back, his long black ponytail a dark stroke against the pale uniform, his crimson eyes half-closed in apparent indifference. Beside him, his twin brother Yoriichi was so still he might have been carved from stone. The door clicked open. A boy with short black hair and feline, red-slitted eyes stepped inside—shorter than both twins. The teacher offered a practiced smile. "Please, introduce yourself to the class." Silence stretched, thick and waiting. The new student's gaze swept the room, deliberate and unhurried, and then came to a perfect, chi…