The sixth year of Hōei. In the sixth year of the reign of Tokugawa Ienobu (Hiroyuki Mikawa), the sixth shogun, Kayo (Yumi Nakano), a maid in the O-oku (inner sanctum) of Edo Castle, was beaten. The incident is buried in the dark, and the closet where Kayo was beaten becomes an "unopened room. One day, after four years had passed, Echizen no Mori (Toshihiko Oda), on a hawking trip with Ienobu, presented Ienobu with a beautiful tattoo of Oma (Maya Kitami) on his back. Ienobu is overjoyed and becomes completely captivated by O-Man's body...
| Directing | Yukihiko Kondo | Director |
| Writing | Keiji Kubota | Screenplay |
| Sound | Koshiro Jinbo | Sound Recordist |
| Editing | Jun Nabeshima | Editor |
| Sound | Taichiro Kosugi | Original Music Composer |
| Art | Natsuo Kawafune | Art Direction |
| Directing | Akira Momoi | Assistant Director |
| Camera | Yonezō Maeda | Director of Photography |
| Lighting | Fumio Matsushita | Lighting Director |
| Camera | 井本俊康 | Still Photographer |
| Production | Ryoji Ito | Executive Producer |
