Kaltagra ~Tsukikyou Ino Yamai~ (2009/04/25-2009/06/25 OVA)
Kara no Shoujo (2010/01/15-2010/10/15 OVA)
Kaltagra ~Tsukikyou Ino Yamai~ (2005/04/28 Windows)
Kara no Shoujo (2008/07/04 Windows, 2009/07/24 DVD Players Game)
Kurokashisu - Nanatsuki no Nie [CAUCASUS The sacrifice of seven curses possesses it. Presented by Innocent Grey 2009.] (2009/12/11 Windows)
Nagomi Hako - Innocent Grey Fan Disc (2007/04/06 Windows)
PP -pianissimo- Ayatsuri Ningyou no Rinbu [pianissimo, Rondo del Burattino, presented by Innocent Grey 2006.] (2006/09/29 Windows, 2008/05/23 DVD Players Game)