| Appears On: | ||||
| Maximumii (CD, Album) | I'll Be With You | Avex Trax | 1997 | |
| Grand Cross 1999 (CD) | The Silk Tree | Polydor K.K. | 1999 | |
| Fiction (CD, Album) | Awakening | Pioneer Music | 2003 | |
| Moonlit Archives Lunar Legend Tsukihime Original Sound Track 1 (CD) | Geneon Entertainment (USA) Inc., Pioneer Entertainment (USA) Inc. | 2003 | ||
| Be Human (Album) ◄ (2 versions) | Pro Bowler Tachikoma (... | Bandai Entertainment ... | 2004 | |
| Dearly (CD, Album) | 君の翔ぶ空 | Queen's Label | 2006 | |
| Ghost In The Shell: Stand Alone Complex - Solid State Society O.S.T. ◄ (2 versions) | Victor Entertainment Japan ... | 2006 | ||
| The Force Of Love (CD, Album) | Somewhere (Theme Of Co... | Marvelous Entertainment Inc. | 2006 | |
| Yes (Album) ◄ (2 versions) | Going Back Home | Sony Music Entertainment (Taiwan) ... | 2007 | |
| Harmonia (CD, Album) | 遥かなる旅路, ... | Avex Trax | 2009 | |