A girl has changed her personality because she was bullied at school. When she meets him, who is born with an arrogant demon, what kind of emotions will the two have? And will this girl who has become fearless because of being bullied give up in the face of this demon? And who is the girl who transferred to this school with the devil, what kind of relationship does she have, and what methods will she use? How will this love triangle develop? Please stay tuned.