Maria has been gifted to a college student, Akiba, by his academic mentor Yoshiyuki, who has died under suspicious circumstances. Little does Akiba known that Maria has been reprogrammed by Yoshiyuki to do battle against the evil Host-Droids – male robots designed by a rival robotics company to take revenge on the female species.
| Actor | Role |
|---|---|
 Akiho YoshizawaMaria | Maria |
 Masayoshi NogamiYoshiyuki Kôenji | Yoshiyuki Kôenji |
| SShijimiHousewife | Housewife |
 Miho WakabayashiOffice lady | Office lady |
 AsamiHigh school girl | High school girl |
| DDaisuke HaraguchiShôtarô Akiba | Shôtarô Akiba |
| HHiroshi HatakeyamaGeorge Shirosaki | George Shirosaki |
 HorikenProfessor Uekusa | Professor Uekusa |