With the battleship Amanohara seriously damaged and in need of repair, it lands on an island where a Gogyou festival has just begun. Shintaro Umakai and his five female students, known as Raimu Unit, enjoy a period of peace on the island. However, the enemy still pursues them. Umakai and his unit deal with the enemy while the five girls try to draw his attention. (Source: ANN)

Two bonus episodes that take place during the course of the series, approximately halfway through it seems. They are entitled 'Everything you always wanted to know about Nereids (but were afraid to ask)' and 'Heaven can wait for Maia Mizuki'. These stories are more lighthearted and comedic in tone, bordering on silly.

Mariko Rosebank leads a team of all-female anti-terrorist mercenaries, named C.A.T. This all-woman team is sent to guard a meeting of world leaders against a terrorist attack. (Source: AniDB)

To save the galaxy from impending doom, Cacao and Parfait are sent on a mission through time and space to retrieve the Fourth Warrior, Lamunes. Unfortunately, Cacao and Parfait discover Lamunes at the helm of the marauding Giga Genos invasion fleet. World by world, Lamunes is determined to bring the entire galaxy under his tyrannical heel. With the help of a plicky orphan, it's up to Cacao and Parfait to stop Lamunes from taking over the world.