Songs
- Eien to Mugen wo Kono Te niKow Otani
- Jisyo no Maku ga Ima AgaruKow Otani
- Hellraiser ReturnsKow Otani
- Zero no Densetsu -XXXG-OOWOKow Otani
- Sora e to Saku HanaKow Otani
- Omoide ni KanpaiKow Otani
- Saiai no Wakai OnnaKow Otani
- Genso no DanceKow Otani
- Volfred no OmoiKow Otani
- Tawai no Nai HimitsuKow Otani
- Hansei shiteruKow Otani
- Hiso naru TatakaiKow Otani
- Sowasowa Uwa no SoraKow Otani
- Ojo e no ShotaiKow Otani
- Kijin to no GogoKow Otani
- OsodoKow Otani
- Mamono Tobatsu ButaiKow Otani
- Watashi rashiku - Piano Solo B -Kow Otani
- Omoi o Uke tometeKow Otani
- Tesaguri no ZenshinKow Otani
- YacchattaKow Otani
- Mujaki na BokenKow Otani
- Omowanu JakutenKow Otani
- Shippai o Nori koeteKow Otani
- Yosei no SasayakiKow Otani
- Maken e no ChosenKow Otani
- Korekara wa UtsumukanaiKow Otani
- Watashi rashiku - Piano Solo A -Kow Otani
- Taisetsu na KizunaKow Otani
- Idea no IzumiKow Otani
- The Rossetti Trading CompanyKow Otani
- Atarashii KeikakuKow Otani
- Hitori no Yoru niKow Otani
- Katarai no HitotokiKow Otani
- Kizu darake no KishiKow Otani
- Watashi rashikuKow Otani
- Shinjitsu no Ai no DaishoKow Otani
- Tsumi no IshikiKow Otani
- Sore wa Nai yoKow Otani
- Chumon no Oi KonyakushaKow Otani
- Omowaku ChigaiKow Otani
- Oyasuminasai, Yoi Yume oKow Otani
- Jiman no MusumeKow Otani
- Madogu ZukuriKow Otani
- Dahlia no YumeKow Otani
- Code name wa Heero YuyKow Otani
- Zechs ga KuruKow Otani
- Michi no PressureKow Otani
- Yuragu HyotekiKow Otani