Hyperactive Excel does anything and everything to try to please her lord, Il Palazzo, who wants to take over the planet. Excel’s misadventures takes her and her partner, the ever-dying Hyatt, all over the world, meeting several strange people as they go. Everything is bizarre and goofy, as any kind of anime or entertainment genre gets mocked and spoofed.

Telling ghost stories is a favorite past time of Mai Taniyama and her friends—that is, until she meets 17-year-old Kazuya Shibuya, the man sent by Shibuya Psychic Research Center to investigate paranormal activity at a supposedly haunted school. When Mai gets caught in a dangerous situation, she is rescued by Kazuya's assistant. Saving her lands the assistant incapacitated, and Kazuya demands that Mai become his assistant, instead...