Gogo Matsumoto, an 11-year old aloof martial arts prodigy, along with her half-demon older sister Nono her mama Mama and her cool pet frog Coolfrog embark to compete in a martial arts tournament that pits humans against a nearinfinite barrage of demons from another realm called the Akumugai If a human can come out triumphant, they will be granted a wish from the Akumugai’s warlord Emperor Koro. Can Gogo overcome this impossibe challenge If so Gogo Matsumwill she wish for a big hamburger