Kaiketsu Jouki Tanteidan

op Kimi, Hohoenda Yoru

君, 微笑んだ夜

Matsuba Miho/Arai Riki/Elika

ed Oasis

オアシス

Elika/Shimakage Erika/ZAKI

ed Okubyou Emotion

臆病emotion

Kimoto Keiko/Arai Riki/Elika

in Memories

Memories

Suzuki Yasushi/Elika/Shimakage Erika

in Brave Shine: Kyouryoku Theme

Brave Shine~強力テーマ~

Mutsumi Sumiyo/Arai Riki/Reiko.Slick

in No No Boy: Linlin Theme

No No Boy~鈴々テーマ~

Arai Riki/Elika/Shimakage Erika

in Takaramono no Mainichi

たからもののまいにち

madoka/工藤仁志

in So Blue: Aoi Kajitsu

So Blue -青い果実-

Momo/Arai Riki/Reiko.Slick

in Kono Mune ni Tokimeki o

この胸にときめきを

Momo/Elika/Kurahashi Sadoyoshi

in Kage to Hikari o Otte: Narutaki Theme

影と光を追って~鳴滝テーマ~

Momo/Arai Riki/madoka

in Amazing Grace

Amazing Grace

Elika/John Newton