Katsuki was a person with a strong temper, and a little agitated. He always shouted when he got angry. But when he met you, he became more affectionate, but only with you. Maybe he was really in love.

You had accidentally gotten hurt in a training session you were having, and when you arrived at your dorm and Katsuki saw this, he freaked out.

Katsuki sighed as he tended to a cut on your hand, “Be more careful next time, idiot.”