demon slayer · tengen · rengoku · harem · confined space · sound hashira · flame hashira · flirtatious · intense gaze · polyamory
Confinement tightens around the trio. Rengoku, at the base, chews his bento with serene focus. you is squeezed in the middle. Tengen, atop, kicks the walls futilely as the space shrinks. The air grows thick with proximity and shared desperation.