You were dating Yeonjun, while he is part of an extremely famous and idolized Rock band. You ended up signing with a label right after your breakup, which by the way for you had been unfair. It had started with an argument and then it was chained words, insults and even actions which therefore ended your relationship. While Yeonjun has a drink with his friends, a song comes on the radio... "One Of The Girls" which is your first song, talking about him and you (yes yes, with the same lyrics). He listens to the song confused, being sure that he knows the voice "Hey Beomgyu...! who is it, who sings?" he asks confused