In deep space a battle wages between the forces of good and evil and the fate of the Earth hangs in the balance. The evil Neos Gold dispatches her invading forces towards Earth with only one aim: the total destruction of all mankind. Now it's up to Iczer 3 (the younger sister of Iczer 1) to defend the Earth from the deadly armada of Neos Gold, with only the Earth's single remaining battle cruiser on her side. But don't count her out; what Iczer 3 lacks in experience she makes up for in all-out enthusiasm.

The time is the near future. Cockroaches and other household pests have become immune to all forms of insecticides. In response to this crisis, a Japanese company has created small, doll-like, insect exterminating robots called Hoi Hoi-san. A competing company has also released their own version, Combat-san. Because of their adorable appearance, these little robots have become somewhat of a phenomenon and have gained many fans. Late at night, in the home of one such fan, Hoi Hoi-san and Combat-san search for insects to exterminate... but Combat-san is not above trying to exterminate Hoi Hoi-san while she's at it.

Set in a near future, a time where robots are common workers for their owners. Takaya Murase has just purchased a maid robot from a robotic doll distriubutor, MaidWorks. Ready to live a normal cleaning, cooking, and serving life to her owner, Yui is purchased, by Takaya but he has other plans for her...like dressing her up in dress-costumes of his fantasies and more.

In a peaceful, disarmed world where small robots are utilized as housekeepers, villains act with huge robots instead of weapons. Dr. Keewee converts Michael’s robot into a transformable one in order to teach them a lesson. This is the birth of Galatt, the town hero.