Albums[]
Full-length albums[]
| Year | Information | Chart positions | Sales/Certifications | ||
|---|---|---|---|---|---|
| KOR | JPN | TWN | |||
| 2004 | Tri-Angle
▪ Released: October 13, 2004 |
1 | 93 | — |
▪ KOR: 310,301 |
| 2005 | Rising Sun
▪ Released: September 12, 2005 |
1 | — | — |
▪ KOR: 297,000 |
| 2006 | Heart, Mind and Soul
▪ Released: March 23, 2006 |
— | 25 | — |
▪ KOR: 32,000 |
| "O"-Jung.Ban.Hap
▪ Released: September 29, 2006 |
1 | — | 5 |
▪ KOR: 458,686 | |
| 2007 | Five in the Black
▪ Released: March 14, 2007 |
— | 10 | 6 |
▪ KOR: 29,000 |
| 2008 | T
▪ Released: January 23, 2008 |
— | 4 | 4 |
▪ KOR: 30,689 |
| Mirotic
▪ Released: September 26, 2008 |
1 | — | 3 |
▪ KOR: 600,857 | |
| 2009 | The Secret Code
▪ Released: March 25, 2009 |
— | 2 | 1 |
▪ KOR: 28,000 |
| 2011 | Keep Your Head Down
▪ Released: January 5, 2011 |
1 | 4 | 4 |
▪ KOR: 328,458 |
| Tone
▪ Released: September 28, 2011 |
4 | 1 | 5 |
▪ KOR: 9,477 | |
| 2012 | Catch Me
▪ Released: September 26, 2012 |
1 | 14 | 4 |
▪ KOR: 131,882 |