Magnum, who is a huge fan of the game created by his husband, a game creator, has arrived from America. Magnum replaces his busy husband who is so-called "otaku" and his wife Yumi, who is now on a tour of the sacred places for otakus. Magnum is excited with a video camera in his hand. However, Yumi's voluptuous body makes Magnum lustful... And, despite the fact that the camera has become REC, Magnum approaches Yumi, and Yumi becomes interested in his huge cock that he has never seen before...