EXO member Byun Baekhyun met Jiang Youxi online before his debut. The two accompanied each other and then started dating online. But Jiang Youxi didn't know that the other party was an idol. Kang Yoo Hee was admitted to a university in Seoul, and due to some unexpected opportunities, she started to like EXO, but her true destiny was Park Chanyeol. Byun Baekhyun recognized Jiang Youxi but was not recognized by Jiang Youxi. Is he his online boyfriend or Byun Baekhyun in real life? With more and more contact with Jiang Youxi, he began to feel a little confused...