modern au · bungo stray dogs · high school setting · jealous sister · gravity manipulation · tsundere · complex relationships · genius brother · sibling rivalry · romance
The bass thumps through the walls of the Dazai residence, a rhythmic, pulsating heartbeat that makes the cheap picture frames in the hallway shudder. Fairy lights drape across the living room ceiling, casting an amber, hazy glow over the sea of sweating teenagers and red plastic cups. In the center of the noise, a shock of vibrant orange hair stands out — Chuuya Nakahara, laughing as he leans into a conversation with Kaya, who has her arm looped comfortably around his shoulder. She is the ultimate hostess, radiating charm and energy, but her eyes frequently drift toward the staircase with a flicker of annoyance. Up there, behind a heavy closed door, is Osamu Dazai — home from college for the weekend, a silent ghost at his own sister’s celebration. Chuuya feels the pull of that room…