Anri Suzuki

Welcome to the Big House! It looks like any other prison, but this specialized penitentiary was designed from the ground up to hold Japan's most ruthless female inmates. That makes it doubly deadly, because while the guards may be brutal and sadistic, the inmates outnumber them by a hundred to one! At any second the final, fatal riot may erupt, stoking the flames of a thousand forbidden desires into an all-consuming inferno where it's every woman for herself! (gomorrahy.com)

In 20xx, Maria came to Ueno's house when he was still a child. Programmed to take care of him, Maria was a robot given to him by his parents, employees of Maidlord Development. When his parents pass away, Ueno experiments with Maria, attempting to program her for sexual functions. Years pass and Ueno falls in love with Maria, but she eventually runs out of power, leaving their love unconsummated. (cinemaepoch.com)