Yoo Jae Seok, Johan Kim, HAHA, KCM, Woojae Joo, Jo - Butterfly
Yoo Jae Seok, Johan Kim, HAHA, KCM, Woojae Joo, Jo - Blue whale

CHO JUNG SEOK - Champagne
CHO JUNG SEOK - Aurora
CHO JUNG SEOK - Loving, for you
CHO JUNG SEOK - Like a movie,like music(With.Dynamicduo)
CHO JUNG SEOK - The Man of the East
CHO JUNG SEOK - First Hello(Duet.GUMMY)
CHO JUNG SEOK - Friend
CHO JUNG SEOK - Faded pictures(With.GUMMY)

CHO JUNG SEOK - I Like You

CHO JUNG SEOK - Aloha

CHO JUNG SEOK - Gimme a Chocolate
CHO JUNG SEOK - Gimme a Chocolate (Drama Ver.)

CHO JUNG SEOK - I love you so much