Runut bunyi asal Because_This_is_My_First_Life

OST Bahagian 1

No.TajukArtisMasa
1. "Star Figure" (별 그림)U-ji 3:05
2. "Star Figure" (Inst.)  3:05
Jumlah masa:
6:10

OST Bahagian 2

No.TajukArtisMasa
1. "Everyday"  Haebin (Gugudan) 3:48
2. "Everyday" (Inst.)  3:48
Jumlah masa:
7:36

OST Bahagian 3

No.TajukArtisMasa
1. "I Want To Love" (사랑하고 싶게 돼)MeloMance 3:15
2. "I Want To Love" (Inst.)  3:15
Jumlah masa:
6:30

OST Bahagian 4

No.TajukArtisMasa
1. "Marriage" (결혼)MoonMoon 3:24
2. "Marriage" (Inst.)  3:24
Jumlah masa:
6:48

OST Bahagian 5

No.TajukArtisMasa
1. "This Life"  Moon Sung-nam 3:42
2. "This Life" (Inst.)  3:42
Jumlah masa:
7:24

OST Bahagian 6

No.TajukArtisMasa
1. "Shelter (ft. Lee Yo-han)"  Heejin (Good Day) 3:47
2. "Shelter" (Inst.)  3:47
Jumlah masa:
7:34

OST Bahagian 7

No.TajukArtisMasa
1. "Tomorrow"  Ryu Ji-hyun 3:55
2. "Tomorrow" (Inst.)  3:55
Jumlah masa:
7:50

OST Bahagian 8

No.TajukArtisMasa
1. "Can't Go" (갈 수가 없어)Ben 3:32
2. "Can't Go" (Inst.)  3:32
Jumlah masa:
7:04