After his computer is infected with a virus, by his self-proclaimed rival Nanbara, a package appears at computer programmer Satome Kazuya's doorstep the next day. The package contains a 12" tall Cyber…

After telling May to stay in the apartment, Kazuya goes off to school. Later, Nanbara calls Kazuya's apartment only to hear a woman's voice on the other end, and soon tries to sabotage the relationshi…

Sara, after having trouble collecting the payment for May, sends for another Cyberdoll to get the payment, or get May back.

Cyberdoll Kei, sent by Sara pretends to be a fellow AI researcher, to meet with Kei. After they meet, she is amazed by the emotions May, a Cyberdoll displays towards him.

Kazuya finally realizes that he can never afford to pay for May, so he must give her back. So, on their last day together Kei and May spend the day at an amusement park so that they can enjoy the time…

After May returns, Kei starts work as a lab assistant at the university. Later, everyone goes to the annual fireworks festival, where Nanbara meets the now full-sized May, and immediately falls in lov…

Cyberdoll Mami arrives, and soon arranges a "marriage mixer." Later, Mami again tries to make a match by having Kazuya and May go shopping together, alone. But Mami visit is not just for leisure, she …

The characters work to protect the ladder between Kazuka's apartment and Kasumi's room from a terrible typhoon. We also discover more of Kasumi and Kazuka, and their relationship...

"Commando Z, the wandering president of Cyberdyne," mysterically appears, and has come to discover why a potentially fatal 'virus' is afflicting all of the Cyberdolls, except for May...

In the series finale, it is discovered that the deadly Cyberdoll virus was created within May when she was converted from 1/6 scale to full size. "Commando Z" reveals himself to be a time-traveler fro…