Takamaru and Kikumaru

Two brothers, Takamaru and Kikumaru, are living with their father, Hakuraku-Ou, until one day Hakuraku-Ou is killed by "Death's-Head" Ginnosuke, a villain skilled in the art of sorcery. Hakuraku-Ou had long been seeking a Tiger Seal which, together with the Dragon Seal in his possession, would reveal the location of a …