The False Emperor, Orthros Reise Arnor, was defeated two centuries ago in the War of the Lions by his brother Dreichels, the Lionheart Emperor. Now, in the present day, Orthros' soul has found it's way back into the world in the form of a former Jaeger and second year Thors student. Takes place three years before the events of "Trails in the Sky".
Sad and depressed that his friends all surpassed him, Yamcha gathers the Dragon Balls in a last ditch effort to become one of the strongest warriors in the universe. Problem is, while making his wish, he didn't really specify which universe that could end up being...