Five girls play a dangerous game in order to win the heart of one boy.

Irene is a normal girl. She went to Exo concert for her assignment and something unexpected was happened. She woke up and she found out that a worldwide idol was beside her on her bed. It was Baekhyun! Baekhyun hide his identity because he was wooried that he can't let her go. So, how about their relationship in the future? " I hate saying goodbye " - irene " Your existence completing my life " - Baekhyun " Please keep your promise, dear " - Lay