While You Were Sleeping (당신이 잠든 사이에)

Release Date: 27 September 2017 – 16 November 2017

OST Pt.1

Eddy Kim (에디킴) – When Night Falls (긴 밤이 오면) – Romanized

OST Pt.2

Henry (헨리) – It’s You – English

OST Pt.3

Roy Kim (로이킴) – You Belong to My World (좋겠다) – Romanized

OST Pt.4

Suzy (수지) – I Love You Boy – Romanized

OST Pt.5

1. Brother Su (브라더수), SE O (세오) – While You Were Sleeping (당신이 잠든 사이에) – Korean/Romanized

2. SE O (세오) – Your World (너의 세상)

OST Pt.6

Monogram (모노그램) – Lucid Dream (자각몽) – Korean/Romanized

OST Pt.7

Davichi (다비치) – I Miss You (오늘도 그리워 그리워)

OST Pt.8

Kim Nayoung (김나영) – Maze (미로)

OST Pt.9

Lee Jongsuk (이종석) – Come To Me (내게 와) – Korean/Romanized

OST Pt.10

Jung Joonil (정준일) – IF

OST Pt.11

Jang Dabin (장다빈) – I’ll Tell You (말할게)

OST Pt.12

Lee Jongsuk (이종석) – Do You Know (그대는 알까요)

OST Pt.13

Suzy (수지) – I Wanna Say To You (듣고 싶은 말) – Korean/Romanized