Thanks to the Maita Flower, Trip World is at peace. It is being protected by an old Shabubu, a member of a race of bunny-like beings. The flower grows on the holy mountain known as Mount Dubious. However, one day the old Shabubu is attacked and the Maita Flower is stolen. Trip World becomes disarranged and its inhabitants don't stop quarreling with each other. But there is one hope in the form of the old Shabubu's grandson, Yacopu.