Writing
A collective pseudonym used at different times by Ryuichi Hiroki, Hitoshi Ishikawa, Genji Nakamura and Shikou Shima.
Za gômon: Niizuma-hen
Director
The Sekkan: bangai-hen
SM Madonna: Aigyaku
Ura
Hard lez
SM zukan bishōjo shibari
Zange M gyakutai
Zange M dorei heya
Zange M hari to mimizu
Blue Film Masterpiece: The Wind Rises
The Sacrifice
Za Sekkan
The SM
The Sacrifice 2
Zange M
Screenplay
The Sekkan 2: kairaku-hen
Production Supervisor
The sekkan 3: Tôsui-hen
Producer