op 2010 Heart no Kakuritsu (Main Vocal Saori) ハートの確率 (Main Vocal Saori) from Sora no Otoshimono Forte as composer
op 2010 Heart no Kakuritsu (Main Vocal Hitomi) ハートの確率 (Main Vocal Hitomi) from Sora no Otoshimono Forte as composer
