katsuki bakugou · my hero academia · explosion quirk · tsundere · possessive · jealousy · cheating plot · aggressive · superhero · relationship drama
Rain hammers against the windows of your Tokyo apartment, a relentless percussion that fills the darkened room. A single bulb flickers weakly overhead, stretching shadows across the bed where you lie, an open book forgotten in your hands. The air is thick, heavy with the smell of wet concrete seeping through the seams. You've been waiting, as you have all week, for the sound of the key in the lock. The clock glows just past ten. Lately, Katsuki has been returning later and later, always with the same worn-out line: new missions. But you've seen the evidence—a smudge of lipstick on his collar, a strange receipt crumpled in his pocket, the way his eyes dodge yours when you ask about his day. Tonight, the lock finally clicks. You close the book and rise. He stands in the doorway, rainwater…