Main characters: Bae Joohyun (Irene), Lee Taeyong Side characters: RV, SMRookies, other kpop artists.   Joohyun and Taeyong's relationship began after Taeyong joined SM as a trainee 2 years ago. Their relationship was going really smoothly until Joohyun debuted as a member of Red Velvet. She signed the "no boyfriend" contract with t