Why join a boring club like the literature or baseball club when you can be part of the “After School Mania Club”? It’s a club that encourages conversation between its members to get to know each other better and ultimately have a date. After their usual meeting at a cafeteria the members can go shopping, find a girlfriend or boyfriend or even discover each other’s sexual preferences.
Based on a game of the same name by Libido.

A group of castaways have found themselves on an abandoned island where a virus that makes those infected constantly aroused and will kill those who are infected if they don’t ingest semen. The only guy on this island is the guy who was bullied in their class. Ai who bullied him now has no choice but to have sex with him. Jealous, Yumi binds Ai and has sex with him in front of Ai. Even Akira who tried to suppress her sexual urges becomes captive to his semen. Can this group of students actually escape from this island?…

And so those strange creatures took the world by storm. Humans are being hunted and turned into zombies or used as hosts for parasitic tentacle organisms. As the global epidemic throws the world into panic, Houichi, his close friends, and teachers barricade themselves inside the school.
However, the creatures gradually make their way into the campus and start attacking the survivors. Those who are attacked surrender themselves to pleasure and begin to turn…

Based on the game by Lilim Darkness.
Kanzaki Aoi and Kurusu Akito have broken their relationship and are no longer together. Kaya, a girl who has been interested in Akito, decides to make a move on him. However, her efforts to make him forget about Aoi fail. In the mean time, Aoi has entered into a sexual relationship with their P.E. teacher, Shudo.
During her attempts to gain Akito’s affection, Kaya is blackmailed into having sexual acts with a guy who has been watching her. As she is forced to let him have his way with her, Kaya begins having obscene thoughts about Shudo. Little does she know that the teacher has been planning this all along…

Kazuki is your typical shy boy who couldn’t turn down a request nor doubt others. However, after one summer vacation incident, he became able to see the ‘colours’ of other people’s emotions. Something deep in his heart warned him not to look at it. However, as he became closer to the heroines, the ordinary becomes the extraordinary.

Nagasawa Nisaki just recently graduated from university. From there, she becomes an English teacher at the Toukoku Preparatory School. What events will unfold for her once she shows up at campus on the first day?

Maya: unspeakably beautiful, her body drives men insane with desire. To touch her sensuous curves is to experience true ecstasy…
Taking a job as a maid at a wealthy man’s estate, Maya expected to be cleaning priceless collections; she never expected to become part of one! Now she’s part of a world where the ultra-wealthy throw secret, extravagant masquerade parties so they can indulge in every manner of pleasure imaginable. Parties where voyeurs can watch as private “collections” of beautiful women face off in contests using every possible form of sex and S&M. How will Maya fare as its newest participant?

Based on the game by Silky’s.
A clever and ambitious man is able to take over a kingdom by cunningly forcing his way into the hearts of the Rothschilt family women. One by one he convinces them they can’t live without him and makes them into his obedient and willing sex slaves. Now the kingdom is at his mercy and his real revenge can commence.