A hero gag comedy depicting the activities of the silly hero Ukkariman who fights to protect the peace of the earth. On the central planet of the galaxy, Planet Bone Curry, Ukkariman, who belongs to the Space Guard, inadvertently hits the mayor, mistaking him for an evil alien, and is demoted to a distant planet, Earth, at the edge of the galaxy. And when Ukkariman arrives on Earth, he inadvertently causes an accident that causes an injury, leaving Junichi, a boy on Earth, on the brink of death.