Suou Akira was able to recover from an incurable disease but now he has to pass exams in order to stay at school. He gets help and the people that end up being his tutor are all college girls!

An elite high school had another face hidden in the dark side. In return for sending sex slaves to the colleges, they receive a lot of money as contributions. Those who trained sex slaves were disposable teachers (trainers) who could keep the secrets. They hired talented men as temporary teachers to train. If they found a promising person, they made him take a test. The test was to lecture those who were defined as problem students. However, lecture is merely nominal, and actually it was training for sex slaves. If he achieved a good result, he would get a qualification of teacher (trainer).

Simazu had had an affair with his student, and was expelled from the school. Because he was branded as a harasser, no schools wanted to hire him. But only this school had hired him as a temporary teacher, and he had worked for six months. One day, the deputy school master called him and showed him an offer to become a trainer. Of course, he couldn't refuse it. He resolved his mind, and made the students his playthings.

While riding the train, some girls get into trouble.

There is a strange epidemic running rampant at the local inpatient hospital. For some reason every night the nurses are feeling an uncontrollable urge. They have no choice but to satisfy it with the patients, the doctors, and even each other. The new resident doctor has his own itch to scratch, as well as a suspicion that someone is behind this impromptu sex ring.

Based on the game by Black Rainbow.

Murakoshi Shinta is an extraordinary student at an ordinary high school. Every student hates him, also teachers and parents hate him. His life is in despair.... One day, he receives a gift from his internet friend Mr.K. It is a hypnotic machine....

Azumi and Yuzuru are two young people who have been in a serious relationship for a while. Yuzuru wants to become more intimate with Azumi, but she isn't quite ready, so they go to a video store, unsure of what to do next. Finally, on the way back to Azumi's place, Azumi tells Yuzuru that tonight, she doesn't have to go home ...

As she's been taken prisoner by the main character and her childhood friend, Eric, the battle princess Lotte has ended up training to be a slave maid princess made in order to prolong her life. Slave Maids are specially trained maids which exist for the pleasure of the noblemen. While providing sexual services, they also live by working as bodyguards who put their lives on the line for the protection of their masters, making them very valuable to both royalty and noblemen. The battle princess Lotte loses her virginity and must endure dirty and degrading training in order to turn her whole body into a sex toy.

Taken prisoner by the main character, battle princess Lotte has ended training to be a slave made in order to prolong her life. Slave maids are specially trained maids traded among the noblemen. While providing sexual services, they also live by working as guards who put their lives on the line for the protection of their masters, making them very valued to both royalty and noblemen. The battle princess loses her virginity and has to endure dirty and degrading training in order to turn her whole body into a sex toy.

Mimura Yukio came from a wealthy family and never wanted for anything. Kind and gentle, he obediently fulfills his dying father's final request: find a previously unknown cousin and allow him to live in the family mansion. But his cousin Hayato has other ideas for the family's mansion, its fortune, and especially Yukio's girlfriend Reika... Woefully unaware of his family's sadomasochistic history, Yukio is forced to agree to a sexual competition to avoid the exposure of the family's dark secrets. A competition where Reika has become the playing field: the first to break her (as one would break a horse) is the one who gets both the mansion and the money.

A doctor is hired by a woman he had raped in his past to help create a special "treatment room" for special patients. They hand pick a group of beautiful, young girls with problems and prepare them for training.

Kurata Ibuki and Miyauchi Akira are two very attractive virgin girls. Happily thinking they just won a prize at a summer resort for week, turns out to be a trick from some upper-class students at their school. The mastermind behind this whole "abduction" now have a whole week to train them to be sex slaves. Will he successfully turn them to the dark side or will they struggle to the end and prevail?

There is a secret club that holds an auction of virgins. They are unmistakably virgins as their bodies are checked by a sadistic woman doctor. The girls are put up for auction for various reasons, for example, to clear debts, and they are forced to have sex with bidders.

As she's been taken prisoner by the main character and her childhood friend, Eric, the battle princess Lotte has ended up training to be a slave maid princess made in order to prolong her life. Slave Maids are specially trained maids which exist for the pleasure of the noblemen. While providing sexual services, they also live by working as bodyguards who put their lives on the line for the protection of their masters, making them very valuable to both royalty and noblemen. The battle princess Lotte loses her virginity and must endure dirty and degrading training in order to turn her whole body into a sex toy.

Taken prisoner by the main character, battle princess Lotte has ended training to be a slave made in order to prolong her life. Slave maids are specially trained maids traded among the noblemen. While providing sexual services, they also live by working as guards who put their lives on the line for the protection of their masters, making them very valued to both royalty and noblemen. The battle princess loses her virginity and has to endure dirty and degrading training in order to turn her whole body into a sex toy.

Based on the erotic game by Guilty eX.

Two sisters, living peacefully with their grandfather who heads a Yakuza group, face a dilemma when their grandfather falls ill and another rival group starts putting pressure.

The only way out is to accept the deal with another Yakuza group for support in return for one of the girls.

Art school student Fushimi Kenta looks for inspiration wherever he can find it. When a successful painter takes him under his wing, his creativity is aroused the moment he meets the painter’s wife. Seduced by her beauty and exotic dancing skills, Kenta’s art comes second to learning the horizontal tango. Soon he’s dancing in the sheets with any girl within reach.

Moena was a normal college girl until she discovered that she had special powers hidden within her body by her father. When Dark Mother and her army of sexy demon women threaten the virgins of the world, Moena transforms into the naked masked heroine Angel Blade. Moena''s stepmother, the weightly endowed Kyoka, is kidnapped by Dark Mother. With the help of a team of barely dressed heroines, Angel Blade storms the demon''s stronghold. With the help of the dark-skinned succubus Nail, a former villian, they reach the heart of evil and face off with Dark Mother herself!

Based on the game by Cattleya.

After Kusakabe Akihiko's wife cheats on him, she eventually runs away. Upon learning of this, Sayuri, Akihiko's mother-in-law, comes to him to apologise, convinced that this is all happening because the blood of prostitutes runs in their veins. When she was young, Sayuri had been tricked by a man and became pregnant. In order to support herself and her daughter, she worked as a call-girl.

While attempting to comfort the distraught Sayuri, Akihiko becomes extremely conscious of her bewitching attributes, and his long unreleased sexual desires start to flare. This does not go unnoticed by Sayuri...

Based on the adult manga by Kishizuka Kenji.

Nozomu is a student, but famous in the field of psychiatry. He works hard every day to find a way to remove mental concerns of women. Actually, his deceased father worked on this theme and he now takes it over. One day, he submits a report, but it is thrown out soon. The theme of his report is, "Women's current concerns attribute to their past mental conflicts, especially during adolescence. By removing their past mental concerns with hypnotism and making them experience a satisfying school life, their depression will be cured." "It's just an armchair theory. No one will believe it." Nozomu gets upset and makes up his mind to prove it. Days later, he somehow collects three girls, Mirai, his mother, Kyouka, Mirai's friend, and Izumi, his old friend. Like this, his grand experiment involving "married women in sailor's uniform" starts....

Based on the game by Tinker Bell.

For the final stage of their training as demon exorcists, sisters Mikoto and Takeru visit the village of Ayagami along with Yamato. Lurking within Yamato is a demon, sealed away by Hatsune, the girls' mother. However, to truly seal away this demon requires the ultimate spirit power of the Haramiko. For Mikoto and Takeru, no sacrifice is too great...

~ translated and adapted from official site by Cranston

A second year high school student and a Kendo club member, Tamao Tsukamu, admires his senpai, the club captain, Kiritani Konome. One fateful day, she asks him for a favor involving making special kinds of photos for the student graduation album.