Baddest Female

Hyoyeon is a typical tomboy who's considered the strongest and most fearsome person in her entire school. Hyoyeon didn't care about lovey dovey relationships, until she meets Kai, a shy and caring boy who is fragile and weak in sense of physical development. Hyoyeon is intrigued by Kai, and softens up to him and eventually wants to be a protective noona to him. Hyoyeon becomes more caring and down to earth as she continues to take care of Kai, while developing certain feelings for him, how will this story play out?