The protagonist (interpreted by the spectators in a subjective view) shows up at the Palace of the Mystic Courtesans to savor strong pleasures, choosing from a wide variety of courtesans of various species. The protagonist will be guided by Marina of the receptionist to find the right courtesans who can satisfy him.

It has been a year since Misako became Yosuke Amamiya’s wife, but her new stepson Kazuhiko is still barely acknowledging her, let alone seeing her as a mother figure. However, there is a more pressing matter on her mind: when she is alone at home, she frequently receives menacing calls from a stranger possessing detailed knowledge of her day-to-day life. Unable to bring this issue up with Yosuke, she remains silent about these disturbing interactions.

Just as Kazuhiko starts warming up to Misako, things take a darker turn when she gets a sex toy delivered to her door. Left unsatisfied by her workaholic husband, she begins to engage in a new pastime: masturbating while on the phone with the unknown speaker. One day, Misako realizes that she is not the only one with a dirty secret when she witnesses Kazuhiko pleasuring himself with her underwear! Now aware that her stepson thinks of her as a woman, where will all this sexual tension lead?

After their rejected request to create a formal student magic club, Hiroko Takashiro, Saki Shidou, and Rie Morita are forced to continue practicing witchcraft in their free time only. One day, Rie comes across a dusty, hand-written book. Found on a sales pile in an antique shop, the manuscript seems to be nothing more than a foreign curiosity. Upon translating the book, the girls discover simple spells designed to bend an unsuspecting victim to the user’s will and impose one’s sexual desires on them. Realizing they have come into possession of a mighty weapon, the group begins fulfilling different requests of other students—be it for love, vengeance, or sexual desire. As the situation spirals out of control, the magic club gradually transforms into a cult of blood, lust, and human sacrifice.

While riding the train, some girls get into trouble.

One night, whilst impoverished student Tashiro Shinji was sleeping in his apartment, a beautiful and naked girl appeared in a flash of light. In fact, she’s actually an alien named Julia who is searching for her elder sister.

Murakoshi Shinta appears to be just a doctor at a school, but secretly he has been taking advantage of his position to hypnotize any female student he likes. Now, after putting all of his targets under his control, he begins to turn the unfortunate girls into his sex slaves…

Ryouichi goes to his friend Yuu’s place to play video games, like they do sometimes. It turns out that Yuu’s aunt Yui has come to visit, and she joins them. But it soon becomes clear that it’s not a video game she wants to play with Ryouichi…