One and Only Lyrics
| Song | One and Only |
| Artist | 최철호 |
| Artist | 오혜주 |
| Album | 하나뿐인 내편 OST BGM |
YouTube Results (More on YouTube)
| Song | One and Only |
| Artist | 최철호 |
| Artist | 오혜주 |
| Album | 하나뿐인 내편 OST BGM |