Yeon Kyoo Seong - 내가 아프다 (I am painful)
Yeon Kyoo Seong - 참 많이 사랑했었다 (Loved you so much)
Yeon Kyoo Seong - 조금 더 늦게 이별할게 (A little late farewell)
Yeon Kyoo Seong - 널 닮은 사람 (A person who resembles you)
Yeon Kyoo Seong - Shining star
Yeon Kyoo Seong - 널 좋아하는거 그만둘까봐 (I'm afraid I'll stop liking it)
Yeon Kyoo Seong - 책한권 (A book of memory)
Yeon Kyoo Seong - 책한권 (A book of memory) (Clean Ver.)
Yeon Kyoo Seong - 숨소리 (Breath)
Yeon Kyoo Seong - 욕망이란 이름