"O"-Jung.Ban.Hap.

"O"-正.反.合. adalah album studio Korea ketiga TVXQ. Album ini dirilis pada tanggal 29 September 2006.

"O"-正.反.合.
Sampul versi A (CD+Photos)
Album studio karya TVXQ
Dirilis	2 September 2006
Genre	K-Pop, A capella, RnB
Durasi	43:50
Label	SM Entertainment
Produser	Lee Soo Man
Kronologi TVXQ
Heart, Mind and Soul (2006)2006 "O"-正.反.合. (2006) Five in the Black (2007)2007
Templat:Extra album cover 2 Templat:Extra album cover 2

Daftar lagu

CD

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...) (in Version C & D only)
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)