Choi Jung In (최정인), Kim Tae Sung (김태성)
Kim Tae Seong (김태성), Jeong In Choi (최정인) — We all lie (Orchestra Ver.) 04:03
Choi Jung In (최정인), Kim Tae Sung (김태성) — Maruta (Gyeongseong Creature OST) 05:51
OST Kyungsung Creature — Various Artists - Choi Jung In (최정인), Kim Tae Sung (김태성) - Ties 02:52
Kim Tae Seong (김태성), Jeong In Choi (최정인) — Endless Night 02:34
OST Kyungsung Creature — Various Artists - Choi Jung In (최정인), Kim Tae Sung (김태성) - Time (Orchestra Ver.) 03:15
Kim Tae Seong (김태성), Jeong In Choi (최정인) — the Guest 03:44