Kokubunji Sousuke

Taki Minase, a high school student, finds a book of black magic in the isolated storage room of his school. He begins practicing black magic, which has extreme sexual effects that benefit him and his friends, until evil comes forth from the dark craft. Eventually, the origins of the book are revealed, as is the incident on Walpurgis Night twelve years prior, when the evil force was at its strongest. After coming to his senses, Minase struggles to get himself out of the darkness into which he has put himself and his best friend and secret love, Kurumi Imari.

Narifumi Hosokawa prepares for his high school's culture festival with the Kadomori twins, Shizuku and Kasumi. While everyone is distracted, Shizuku decides to open a mysterious gate through the use of magic and travel to an alternate world.

A nurse that takes the job one step further by making her patients happy with special treatement. A housewive who is decieved by one of her neighboors to sign an unpayable debt and then she falls in the hand of the yakuza who make her perform as a sex toy. And a female teacher that can't hold her desires any longer and get herself some pleasure in the school bath but she was caught by some students and now she's the most popular sex dump of the town.

A young schoolgirl, Ruruna, finds herself in the wrong group of friends who only talk about their sexual escapades. Not having any experience, she feels left out. Her friend Ria says: "Hey, why don't you try having sex with my little brother? I do it all the time!" They end up both having their way with the poor boy... Elena, Ruruna and Ria's schoolmate, while going to a compensated date, notices a cute little boy on a train, whom she decides to tease a little. When she arrives to the place, to her surprise, he turns out to be the one she arranged the meeting with. Realising he doesn't have any means to pay her, she decides to go all the way with him for free.

Sister Rosaria is working at the village`s local church. Everything has been peaceful and many days of happiness have passed. One day a new priest and a sister arrive...and her happiness is suddenly shattered. The two are imposters, villains on the run for theft and murder. But that isn`t the only problem...the man is a former priest who sexually assaulted sister Rosaria many times in the past. Now, the village`s peace is in her hands; if she doesn`t obey "Father Edwards", he has sworn to kill every single one of the villagers...