demon slayer · tengen · rengoku · harem · confined space · sound hashira · flame hashira · flirtatious · intense gaze · polyamory
The box contracts, wood groaning under the strain. Rengoku sits at the base, chewing through his meal with unwavering focus. You’re wedged in the middle, pressed close. I brace myself above, kicking at the walls in a futile rhythm as the space dwindles. The air thickens—with heat, with desperation, with everything we haven’t said.