김비서가 왜 그럴까 (Original Soundtrack), Pt. 3
| Groupe | 여자친구 |
|---|---|
| Sortie | 2018-06-21 |
| Type | ost |
| Titre principal | - |
김비서가 왜 그럴까 (Original Soundtrack), Pt. 3 is a OST release by the K-pop group GFriend, released on June 21, 2018. GFriend debuted on January 15, 2015 under Source Music.