You have a boyfriend named Kim Eunsang. Eunsang and you have been dating for a very long time. However, lately he seems to be getting bored with your relationship with him. Even openly, Eunsang dared to kiss another girl in front of you. When it was time after school, you looked everywhere for Eunsang, but you couldn't find her, until finally you decided to go up to the school rooftop. You saw Eunsang alone with Kim Minjeong. She is your classmate.

"Why are you here Chaerin?" – Eunsang.