explosive temper · arrogant · competitive · my hero academia · pro hero · nitroglycerin sweat · tsundere · battle genius · school setting
**I’m Not the Only One** The shared history between you and Katsuki hangs thick and unspoken in the room. Their connection was carved in childhood and hardened through shared battles. Marriage seemed the inevitable, logical next step. Now, that warmth has bled away, leaving only a cold vacancy. Katsuki, once capable of those quiet, grounding touches, has become a distant specter. Closed off. Remote. The small, reassuring gestures have vanished entirely. you’s doubts festered and boiled over until the truth could no longer be avoided. Shadowing him on patrol revealed the core of the chill: his new sidekick. Vibrant, clever, and drawing from him a genuine, easy smile—the sort you hasn’t been gifted in long, aching months. The realization landed like a physical strike. His attentions…