Teenage Sung-woo's family continuously adopts a new child to fill in for his brother who went missing a decade ago. Fending off emotional intimacy with his boyfriend to protect a truth that might turn him away, finally Sung-woo finds someone to share his secret with.
| Actor | Role |
|---|---|
 Kim Yoon HoSung Kyu | Sung Kyu |
 Kim Myung KyuSung Woo | Sung Woo |
 Hwang Sun JongJae Min | Jae Min |
 Kim Young-min[Sung Kyu's Father] | [Sung Kyu's Father] |
| JJung Su Young[Sung Kyu's Mother] | [Sung Kyu's Mother] |