Mardock and his friend Chewy traverse the universe and solve problems from planet to planet.

High school student Morisato Ibuki has a startling dream about kissing a prince on a white horse. The next day, the prince from her dream, Ebisu Naoto, shows up as a transfer student at her school and a guest at her house. He had indeed kissed her, in an attempt to wake her up in the morning, although he claims that she kissed him. Ibuki is smitten with Naoto, but he seems to have other commitments, to American football and to a mysterious girl called Kawahara Izumi. Meanwhile, Nitta, a shy boy in Ibuki's class, has a crush on her. Will true love eventually find a way?

The alien invader Goa plots to conquer the Earth. He first warns the Murakami family (father Atsushi, mother Tomoko, and son Mamoru) of their invasion, and demonstrates his powers by transporting them to a prehistoric jungle and destroying a Giant Dinosaur before their very eyes. But they will not agree to surrender to Goa, so hope comes in the form of Magma, an armored, golden giant with long hair and antennae. He and his human-sized wife Mol, both created by the wizard Earth are sent to defend our world against Goa. They befriend Atsushi and Mamoru, the latter has Magma emotionally touched, as he wanted to have a child with his wife Mol, so Earth creates a duplicate of Mamoru, named Gam Earth gives Mamoru a whistle, with which he can call Gam Mol and Magma in times of crisis. So when Goa unleashes his various daikaiju, chances are, Magma, Mol, and Gam will fly to the rescue.

Lamune and Da Cider head off to Puff-Puff Palace to rescue two beautiful barely clothed maidens, Gold Mountain and Silver Mountain- the Mountain Duo. This of course infuriates Milk and Leska, who with a rather confused and unwilling Cocoa "transform" into "Seinaru Milky", "Seinaru Cacao", and "Seinaru Lemon". The three then head after their would-be boyfriends to extract their revenge.