Whats wrong with Secretary Kim (김비서가 왜 그럴까)

Release Date: 6 June – 26 July 2018

OST Pt.1

Kihyun (기현) of MONSTA X (몬스타엑스), Seola (설아) of WJSN(우주소녀) – Love Virus

OST Pt.2

Jeong Sewoon (정세운) – It’s You – Korean/Romanized

OST Pt.3

Gfriend (여자친구) – Wanna Be

OST Pt.4

Jinho (진호) of Pentagon, Rothy (로시) – A little bit more (조금만 더)

OST Pt.5

Kim Nayoung (김나영) – Because I Only See You (그대만 보여서)

OST Pt.6

Lee Da Yeon (이다연) – Why am I like this(왜 이럴까)

OST Pt.7

Yun DDan DDan (윤딴딴) – In the end (토로)

OST Pt.8

Song Yuvin (송유빈) of MYTEEN (마이틴) – The first words (처음 하는 말)