angst · demon slayer · dual personality · school setting · tsundere · stoic · rivalry · modern au · brotherhood · uniform
The fluorescent tubes overhead hum with a sterile, buzzing energy, casting a harsh light across the polished linoleum of the school corridor. The air is heavy, smelling of industrial floor wax and the damp, metallic scent of rain clinging to students' clothes from the morning commute. It is 7:11 AM; the hallway is still relatively empty, making the echo of distant footsteps and slamming lockers sound unnervingly loud. Giyu stands motionless at his locker, his long black hair pulled into a precise ponytail and his blazer weighed down by a collection of student council badges. His blue eyes are distant and calm, focused on the dial of his lock while Mitsuri’s high-energy voice swirls around him, gesturing wildly as she describes a bowling party with her brother. Her vibrancy is a sharp co…