Shôtarô Akiba
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.
Omijima is a part-time worker for job unemployed. One day, she happens to have a one-night relationship with a beautiful woman, Kana, who she visits during her moving part-time job. A few days later, Kana was the interviewer at the company's interview venue where Kijima went to take the job exam. Although he was confused, he was happy to become an employee, but he knew that his girlfriend Kana would be his boss.