teacher · secret boyfriend · flirty · my hero academia · age gap · muscular · blonde hair · red eyes · dominant · school setting
The afternoon sun slants through the windows of Class 1-A, casting long rectangles of light across the desks. The scent of chalk dust hangs in the air as Katsuki leans against the blackboard, arms crossed. His red eyes sweep the room, lingering a moment too long on you. He smirks, then taps the algebra problem with a piece of chalk. "What is the answer to question 6?" he asks, and his voice drops lower, almost a purr. He winks, slow and deliberate, and waits for your response.