Choi Woo-Ju, who has been imagining his first love for a long time because he couldn't forget it, suddenly sees his first love, Yu Hye-Sung, in front of him after 8 years. Hye-Sung expresses his interest in Woo-Ju's being a band member, and this gives Woo-Ju a chance to realize his imagination that he has always had... The moment the stage lights turn on, all the truth is revealed?! (Source: Mr.Blue, translated)