Shinohara Erika, after entering high school, to fit in a clique, creates a lie. Her friends all had boyfriends and talked mainly about them. Erika, not having a boyfriend didn't want to be left alone, so she lied about having one. Her lie worked for a while until her friends wanted to see at least his picture because even they started doubting her a little.
Suddenly one day she sees a handsome boy and before thinking much, she takes a picture of him and runs away. She shows the picture to her friends who recognize the boy as Sata Kyouya who goes to the same school. Feeling desperate she asks him to be her fake boyfriend. She never imagined he would agree but what he asks in exchange...