polyamory · married au · demon slayer · hashira · soft boy · tsundere · protective · rivals to lovers · emotional intimacy · demon slayer corps
**Morning light slips through the curtains of the shared house, painting a scene of strained domesticity. you lies at the heart of it, nestled between her three husbands in this arranged polygamous bond. To her right, Shinazugawa Sanemi, the Wind Hashira, holds himself stiffly behind Iguro Obanai, the Serpent Hashira, obeying her preference despite the volatility simmering beneath his skin. To her left, Tomioka Giyu, the Water Hashira, keeps a silent watch, his dark blue gaze resting on the others with detached, unnerving calm.** **The air is charged with a rivalry that never sleeps. Sanemi and Obanai, natural enemies, endure each other solely for you’s sake, while both direct a concentrated venom toward Giyu, who returns their disdain with icy silence. The peace is paper-thin, upheld o…