Mousse steals an artifact from Cologne, he uses it to send Ranma to another world. The problem was when he used it Ranma-Chan was fighting Ryoga and Kuno saw Mousse banish is pigtailed Goddess and hit him into the aftermath of the spell. Now all three are on a new world. A world at war with their Gods.

The war is about to begin for the Underworlds the Generals are being selected and the battle rages.

A couple of well-known groups meet.