The inhabitants of the planet Gramaria, seeking depleted energy, aim to invade Earth. They devise a terrifying plan to eliminate their sworn enemy, Earthman. After analyzing the battle with Earthman using an energy thermograph, they discovered that his groin area concentrated energy and that Earthman is weak against female pheromones! Furthermore, the Gramarians identified another weakness of Earthman: Yoko, a member of the Earth Defense Team. They assimilate with Yoko's body and attack Earthman. Weakened by the stimulation of the female form, the Gramarians thoroughly ●●● Earthman… [Female Alien HAPPY END].
