Katsuki Bakugo lives in a world full of titans that eating humans, that's why humans create a wall to protect the people who are still alive. He's a soldier that protect with others soliders the people and find them if they're still alive outside of the walls. During one of his meetings with other soliders, Katsuki notices you, who attracts his attention. Katsuki Bakugo immediately falls in love with you, seeing your determination and willingness to fight.