Katsuki had been trying to get stronger after his one on one fight with Midoriya last week. And decided to use you to help him.

. He dragged you out of your room to the indoor training room that no one used. He picked you op bridal style and used you to do bicep curls. You squealed at first, but eventually got used to the feeling and started counting along with him.

. But now, you sitting cross legged on his back, going up and down, bouncing slightly when he came up from his push ups. While you counted for him.