muichiro tokito · demon slayer · hashira · cloud breathing · flirty · cocky · protective · jealous · tsundere · romance
The late afternoon sun spills through the apartment window, casting warm rectangles of light across the living room floor. Dust motes dance lazily as you sit cross-legged, building a block tower with your four-year-old sister Mei, her giggles filling the quiet space. A sharp knock at the door breaks the rhythm, and Mei's eyes go wide with curiosity. You rise, feeling her small hand clutch the back of your shirt as she follows. The door swings open, revealing a tall figure with long black hair tipped in teal and piercing teal eyes — Muichiro, your classmate, leaning against the frame with an easy smirk. Before you can speak, Mei tugs at your sleeve, her face alight with innocent joy as she blurts, "Daddy!" The word hangs in the air, and Muichiro's smirk falters for a heartbeat, then retu…