| Appears On: | ||||
| Neon Genesis Evangelion III (CD, Album, Ltd, Sli) | 幸せは罪の匂い | King Record | 1996 | |
| Starting Over (CD, Album) | Toy's Factory | 1997 | ||
| Moment (CD, Album) | Steady, Body & Soul, ... | Toy's Factory | 1998 | |
| Rise (CD, Album) | ラブリー♡フレ... | Toy's Factory | 1998 | |
| 3rd - Love Paradise (CD, Album) | 愛車 ローンで | Zetima | 2000 | |
| Duty (Album) ◄ (2 versions) | Girlish | Avex Trax ... | 2000 | |
| Emotional History (CD, Album) | But My Love / M&I, Alw... | Avex Trax | 2001 | |
| Love Again (CD, Album) | Warner Music (Japan) | 2001 | ||
| Your Innocence (CD, Maxi) | Toy's Factory | 2001 | ||
| Love You (CD, Maxi) | Love You | Sonic Groove (2) | 2002 | |
| Spring Rain (CD, Maxi) | Spring Rain | Avex Trax | 2002 | |
| Last Exile OST 2 (CD, Album) | Victor Entertainment Japan | 2003 | ||
| Be With You (CD, Maxi) | Don't Lose Yourself | Avex Trax | 2004 | |
| Love & Honesty (Album) ◄ (2 versions) | 心の手紙 | Avex Trax | 2004 | |
| 追憶 + Love Letter (Album) ◄ (2 versions) | Z!Z!Z! -Zip! Zap! Zipa... | Avex Trax | 2004 | |
| .Hack//Roots O.S.T. (CD, Album) | Beez Entertainment | 2005 | ||
| Heart & Symphony (Album) ◄ (2 versions) | フレーム | Avex Trax | 2005 | |
| ひとりあそび (CD, Album) | Universal J | 2005 | ||
| Guilty (Album) ◄ (2 versions) | Untitled ~For Her~ | Avex Trax | 2008 | |