At the dome concert of the popular idol group, The Batteries, tens of thousands of visitors vanished in the blink of an eye! Behind the scenes of the incident, the entertainment office that Nezumi-Otoko recently launched, BiBiBi Promotion, was involved. When Kitarō and Neko-Musume rush to the venue, they coincidentally meet Mana. Although Kitarō tries to keep Mana away by saying humans should not get involved with yōkai, she refuses to go home since her friends have gone missing as well. When they entered the venue, they find the yōkai responsible for the disappearances. This yōkai is...!