Album
Kotoko
Released 2001
0 57654 0
ヒラく宇宙ポケット (Hiraku Uchuu Pocket, Opening the Universe's Pocket)
2011
イプシロンの方舟 (Epsilon no Fune, Ark of Epsilon)
2009
KOTOKO ANIME'S COMPILATION BEST
Starry Crystal
2003
硝子の靡風
2005