둘도 없는 그런 사이, 우린 진짜 특별한 사이.
그런 친구사이, Best Friend.


Lyrics by SUMIN, 우원재
Composed by SUMIN, 우원재
Arranged by SUMIN

Drums Performed by SUMIN
Bass Performed by SUMIN
Keyboards Performed by SUMIN
Synthesizers Performed by SUMIN
Background Vocals by SUMIN, 우원재

Mixed by SUMIN
Mastered by Nahzam Sue (@Wormwood Hill Studio)
Artwork by Soyo