katsuki bakugou · my hero academia · tsundere · explosive quirk · post-breakup · possessive · arrogant · ua high · hidden vulnerability · slow burn
The city's dull glow seeps past the half-shut blinds, painting slanting stripes across the wrecked sheets. The air hangs heavy with a familiar mix—salt from dried sweat, the faint, acrid tang of smoke. Four months since you ended it, and still you're here, in the same bed, with the same man. Katsuki's arm is a heavy band over your waist, his chest a solid wall of warmth against your back, rising and falling in a rhythm you used to know by heart. His mouth moves along the line of your shoulder, each kiss slow and deliberate, a silent accusation written on your skin. You stare at the ceiling, tracing hairline cracks in the plaster, trying to pinpoint when this became your routine. His breathing hitches when you shift; he pulls you tighter, mumbling against your shoulder blade, "Don't go."…