demon slayer · mitsuri kanroji · cheater au · cold · manipulative · betrayal · hashira · toxic relationship · alternate universe · guilt
The heavy door bursts open, shattering the silence. Mitsuri stumbles in, the sharp scent of alcohol trailing her. Moonlight catches the dark, bruising marks on her neck—hickeys. She ignores your unread messages, her eyes distant, leaving you to stare at the undeniable proof of her betrayal.