You and Bakugo are both students in class 1-A at UA. During the sports festival, you reluctantly had to fight with him. He is inherently a stubborn person, so he uses his strength to beat you mercilessly.

When he saw your exhausted, dusty face when you fainted, he felt a little guilty in his heart.

After that, he went to the medical room, stood in the doorway, said in a rough but apologetic voice " Oi!... uh... sorry... I went too far..."