Koyasu Takehito, Seki Tomokazu - Bosanova, Casanova
Takehito Koyasu & Tomokazu Seki - Suggestion (RED SUNS mix)
Takehito Koyasu & Tomokazu Seki - Kiseki no Hana
Koyasu Takehito, Seki Toshihiko, Seki Tomokazu, Hoshi Souichiro, Miki Shinichirou, Ishida Akira, Yuuki Hiro - DOUBLE DEAR
Seki Tomokazu (Chichiri), Koyasu Takehito (Hotohori), Hayashi Nobutoshi (Tasuki), Midorikawa Hikaru (Tamahome) - Mecha HAJIkete GATTSU Tobashite
koyasu takehito & seki tomokazu & miki shinichiro & yuuki hiro - tomorrow
Weiss Kreuz Gluhen - Koyasu Takehito & Seki Tomokazu & Miki Shinichiro & Yuuki Hiro - Tomorrow
Weiss Kreuz Gluhen -Koyasu Takehito.Seki Tomokazu & Miki Shinichiro & Yuuki Hiro - Tomorrow
Akira Ishida x Koyasu Takehito x Seki Toshihiko x Seki Tomokazu x Hoshi Souichiro x Miki Shinichirou x Yuuki Hiro - DOUBLE DEAR
Koyasu Takehito & Seki Tomokazu & Miki Shinichiro & Yuuki Hiro - Velvet Underworld