The main character, Kiichi, has lost the key of Jubilee's UFO "Kadaha Kindu" that landed on Earth , but the function of the UFO is reset and he becomes the master of the key. Jubilee can no longer return to the keyhole, but in order to return, it is said that it is necessary to accumulate energy by letting Key open various locks. A slapstick comedy involving Kiichi who struggles for Jubilee and the people around him.