- 2nd Round · 2000
- Once N 4 All · 2003
- One Time For Your Mind · 1998
- Once N 4 All · 2003
- One Time For Your Mind · 1998
- 2nd Round · 2000
- One Way · 2005
- Once N 4 All · 2003
- One Time For Your Mind · 1998
- One Time For Your Mind · 1998
- Once N 4 All · 2003
- Third Time Fo' Yo' Mind!! · 2001
- One Way · 2005
Albums
About 1TYM
- ORIGIN
- South Korea
- FORMED
- January 11, 1998
- GENRE
- K-Pop