Continuing straight after the climax of Return of the Overfiend, Jyaku and the survivors head for Osaka to help the Overfiend after his climatic battle. On the way they find a kingdom where children rule over adults. It is up to Amano Jyaku to save his friends from this sinister land and its evil ruler, Ellis. Jyaku's problems are furthered when an old nemesis shows up at the wrong time