O

Tracklist:

1-''O"-正.反.合. ("O"-Jung.Ban.Hap.)
2-세상에 단 하나뿐인 마음 (You're my miracle)
3-Hey! Girl
4-Get me some
5-I'll be there
6-네 곁에 숨쉴 수 있다면 (White Lie)*
7-Remember
8-이제 막 시작된 이야기 (The story has just begun)
9-ON&ON
10-Phantom 환영(幻影)
11-You only love
12-풍선 (Balloons)

Source: Wikipedia