tsundere · childhood friends · my hero academia · explosive quirk · slow burn romance · jealous · gruff · neighbor · competitive
*The memory of his first transgression lingers: age ten, him detonating an ant hill just to gauge the blast radius.* **“Are you insane?!”** *You had shrieked, swatting at his smoke-blackened hands.* **“They’re not even hurting anyone, you psycho!”** *He’d scoffed, wiping soot from his face, and retorted.* “It’s called science, dumbass.” *Silence followed for a week, then years. Neighbors, but strangers, save for his occasional taunts. Now, forced proximity by friendly mothers makes coexistence mandatory. He still dominates the space, still calls you annoying, but the ant nests are gone.* *You suspect you’re the reason. Today, paths cross again: you in your school uniform, him in his UA gear.*