Taketo Watarai

Kyoko was found at the scene of a brutal murder by chief inspector Kaoru. Due to the shock of the incident, Kyoko has lost her memory. Kaoru has asked Junichi, a suave psychiatrist, to help cure Kyoko, only to find out that she has multiple personalities. Who exactly is Kyoko, and what connections does she have to the murder? (Source: MyAnimeList)

Dr. Yamagishi was expelled from an academic society because he had tried to make a human clone. Next theme of his study was a new human species Cambrian. He made himself a test target. However, he turned into a chunk of grotesque flesh, and it began to rape women by its tentacles.

Somewhere, there is a forbidden mansion, a house of unspeakable erotic pleasures. Behind each door, a beautiful woman lies in wait for a man's touch. But these voluptuous vixens have an appetite for pain and punishment that compels even the strongest to beg for mercy! What man can withstand the unbearable pleasure, and rule the harem as his own?

Shindo Nikita has a secret that he has been hiding for a long time—he loves hentai and H-games. He enters "The Alternative Trivia Research Club", where the first of his many sexual encounters takes place. Despite that, he finds out that both of his foster sisters are in love with him, and he has to make a choice—who he really loves.

A new teacher is in town, but she is no ordinary one. She is a night-dweller who preys on men. In return for orgasmic pleasure through intercourse, she devours their souls. Knowing about her cursed blood, a secret society hunts for her blood for the ceremony that is to come. Is Sayoko a human, a demon or perhaps a messiah? What connection does she have with the government? Who are these people that hunt for her blood? What are they trying to achieve from the ceremony? "My blood, it's lusting for a man. This is why I hate the full moon."

Daisuke is a new teacher in school. He became popular with everyone in a matter of days. He conducts a class that allows his students to role-play as whatever they wish to be when they graduate, but some say this is a plot to spend extra time with the girls, and the girls expect more then just lessons.

Anything you want... for a price. The Trainer will shape any woman into the culmination of your most erotic fantasies. Watch the parade of beautiful females that come to him to be transformed into the ultimate object of desire. Naughty, nice, playful, or passionate, each one is eager to please, and hand-tailored to fit your needs!

Mitsuko is a beautiful woman who had just married. She went to her husband’s house and began to live with his family, but it was the beginning of her life as a sex slave for most of the males in her husband’s family.

At a harmless looking College, the teachers and staff are practicing a dark religion. By devoting their bodies to perversity, they chant their dark spells and control the lusts of the student body.

The three episodes (referred to as volumes) are a collection of short erotic side stories that take place around the events of the first series.