- 19 Best Ao · 2001
- 19 Best Ao · 1999
- 19 Best Ao · 1998
- 19 Best Ao · 2000
- Mugendai · 2000
- Ongaku · 1999
- Kenji Okahira Ultra Album 1991 2010 [Ki][Do][Ai][Raku] · 2010
- Up To You · 2006
- Up To You · 2006
- Up To You · 2006
- Up To You · 2006
- Up To You · 2006
- Up To You · 2006
Albums
Compilations
- 2002
- 2002
About 19
- FORMED
- 1998
- GENRE
- J-Pop