Opening Theme Lyrics
| Song | Opening Theme |
| Artist | 최철호 |
| Artist | 서현일 |
| Artist | 유영준 |
| Album | 하나뿐인 내편 OST BGM |
YouTube Results (More on YouTube)
| Song | Opening Theme |
| Artist | 최철호 |
| Artist | 서현일 |
| Artist | 유영준 |
| Album | 하나뿐인 내편 OST BGM |