Mega Man: Upon a Star (1993)

Japan is in grave danger! Mega Man must prevent Dr. Wily from destroying Japan as we know it. But how? With a little knowledge of Japanese culture and geography, Mega Man and his pals will try to stay one step ahead of the mad scientist. But will they be able to defeat Dr. Wily in time to save Children's Day? Or to avert the worst typhoon in history? Or to keep Mt. Fuji from erupting again?