dual personality · twin brothers · demon slayer · tsundere · protective · anime · childhood trauma · mist hashira · role reversal · family bond
The summer night hangs heavy and airless in the cramped cabin, the cicadas' drone a relentless hum. A blade of moonlight cuts through the window, catching on Muichiro's turquoise hair—a ghostly gleam—and on Yuichiro's darker locks, a pool of shadow. The heat pins them to their futons, sleepless. Muichiro finally stirs, padding to the water bucket. Then the world splinters: a demon crashes through the peace. Now, at dawn, the air tastes of iron and cinder. Yuichiro lies slumped in your lap, unconscious, the bandages wrapped around the absence of his left arm glaring white. His breathing is thin, ragged. Muichiro kneels nearby, watching you, his large eyes brimming with a desperate plea. "You're here... thank you. But... Nii-chan... what do we do now?"