Based on the adult PC game by Silky's.

Morino Yuuko is an ordinary teacher at first sight, who owns a mansion on a hill. But she is in fact a witch. Her secret is known by Tachibana Ichirou, one of her pupils. One day he decides to pay her a visit to see her magic...

Based on the adult manga by Miyabi.

Ryuya has an older sister, Miya. He lives a peaceful school life with his friends. But one day, he and his friends accidentally drink a medicine juice. Once you drink it, you'll become sexually sensitive and get excited. The breasts of the girls who drink it will get bigger and they will need to have sex to cool down. Also, to make a vaccine, they will need to get pregnant. Ryuya starts having sex with the girls to cool them down and make a vaccine.

This is the first title by Princess Sugar.Celina is the princess of the prosperous western European country of Mellberg and came to Japan to study at a normal school while concealing her true identity. Since she is a distant relative to Yuu, she ends up living in his house.One day, the princess of the resource-rich country of Marualand, Olivia, was exiled to Japan in a coup d’état. Quickly gaining notice around the town, she was treated like an honored guest. However, Yuu disapproved of her snobby attitude since he had grown accustomed to being around princess Celina. Then, Celina told Olivia not to be near him as he is her most precious person.Not backing down from the challenge, she states that she will make him hers.

Nonoka goes out of her way to make a written confession to the older brother of one of her classmates, but he doesn't even read the letters. This prompts her to stop by in person, and express her "hate" for him through various antics...

An OVA based on the WAFFLE game.The story follows Ryuuto Hende, a soldier with unbelievable luck who was assigned to the province where a succubus is drying out men to death, and the local "first lady", who happens to be sexually frustrated. The H-parts show mostly a big-breasts theme and mutual love/appreciation.

A group of young adults have decided to travel to a mysterious island through a tour line. The island has been deserted of human life and the ruins of a once promising city continue to decay. Each of the group members have a reason to visit the island, including returning to their former homes or embarking on a scavenger hunt. During their visit, strange events start to take place and past memories and sexual emotions began to surface among the group. The tour takes a turn for the worst when several of tourists are found murdered, showing that someone remains on the desolated island.

Based on the adult manga by Goban.

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.

Once upon a time, there was a beautiful princess named Eifa. She loved her brother Alois ever so much. But one day she drank a potion from an evil witch. This potion's effects drove them mad with passion...

Based on the erotic game "Toriko Hime - Hakudaku Mamire no Reijō" by Guilty.Minase Shizuru is the daughter of a rich politician. This being so, she attends a prestigious academy together with friends of a similar status. However, her life is turned upside down when she gets kidnapped by members of Tsuruma Consulting, including her own classmate, the young master Tsuruma who is the son of the company's owner. They force Minase and her friends from the academy to be sex slaves for test subjects in their research facility. Together and with determination, Minase and her friends try to devise a way out of this small slice of hell.

An earthquake causes the school campus to collapse living only 4 survivors - 2 childhood friends, Fubuki & Shinichi with Takahaki and a Junior girl. Both Shinichi and Takahaki likes Fubuki, but Fubuki likes only Shinichi. Takahaki made false accusation on Shinichi having interest on the Junior, whom also likes Shinchi, in front of Fubuki to create a doubt between both childhood friends. And making use of the situation and raped the Junior and of course.... Fubuki. Leaving Shinichi in a mist of doubts.

During the summer, Sugiyama travels with his fellow tennis team members to a remote training camp. While there, his step-sister Mio has other training in mind. However his doubles partner Saeki has something else on her mind after seeing their training.

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 ActiveThe hit series Discipline is revived with this new original story set prior to the coming of Hayami Takuro, protagnist of the first series.Morimoto Leona and Otokawa Saori are newly arrived boarding students at St. Alcadia Academy. Morimoto Leona desires to subjugate every person within the school, severely punishing those who are of no use to her. Even the teachers are not spared. Fellow boarders Yuuki, Ruri and Maiko, who are oblivious of the situation, fall prey to the limitless sexual desires of the male students.

Takamaru is a student at the Ten Treasure Academy. He lives a normal school life, looking for romance. Until the day he fell in love with a transfer student named Haruka. All seems well at first but what he soon finds out is that Haruka is secretly a Shinobi...

The Sagemiya family is cursed in that its members are sexually aroused in the presence of another of the same bloodline. Sagemiya Misaki and her elder twin, Shun, are both disgusted over this and have sworn to resist the calling of their blood. However, Shun loses his composure and goes to their elder sister, Kagu, for release. After Misaki finds out, she too loses her resolve and seeks out Shun.

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.

It seems that everyone is fighting over the main character Seiryu-kun's genes!! They've even made a competition out of it! However, little do they know of the suspicious plot behind the whole situation. In any case this is a crazy school love comedy adventure! An adventure of an upperclassman and her friend trying to be impregnated!

The main character is a senior who attends Rinin High School; the only school among the mountain town of Rinin City. The main character, who is the student president of the high school, has another hidden persona. The persona as head of the “Gang Rape Club”...A dark ceremony existed that had been handed down for thousands of years in the old town of Rinin; the name of the ceremony, in particular, in the oldest of records. That ceremony, enacted to protect the region from disease and crop failure as a curse from the region's guardian deity, Hime Iwanaga, occurs in the evenings between the new moon and full moon, in which a maiden is disguised as Konohanasakuyabime and gangraped to appease Hime Iwanaga's anger. In regards to the maiden, there must be an important man participating in the gang rape, in other words, that man must be related in blood to their wife or lover, mother or daughter, younger sister or older sister, and the like, and after the gang rape, if a pregnancy occurs, Hime Iwanaga's anger is abated, and a good harvest and safety upon the region will be promised. However, if a pregnancy does not occur for the sake of suppressing Hime Iwanaga's anger, the maiden is supposed to be covered with semen, and floated down the river alive, as a sacrifice.And now - after the Tashio era, the ceremony itself had vanished into the dark history, but had still continued on at Rinin High School; the cruel, improper traditions being inherited over into a secret society through actions carried out by the Gang Rape Club. For generations, the student president of the High School has served as the head of the Gang Rape Club, not allowing even one day to pass uneventfully, submerging numerous women to the dark, suffocating pleasure.

Arimiya Kamoshige had been a local governor for 40 years, and during that time he had used his money and power to get all the pretty women he wanted. But that is in the past because he has died due to heart failure. Now his latest wife and his three daughters all seek the money he left behind. Whoever gets the money gets the power and takes over everything. And in the middle of it all—a young man calling himself Tatsuya Katori…

Ryouhei is suddenly summoned back to his hometown in the countryside. There, he meets Karen the mascot-girl of a lodging house. As he stands entranced by the sight of her bewitching proportions, Nagisa, the sister of Ryouhei's ex-girlfriend and the one who introduced him to Karen, looks on uneasily.

A series of vignettes (sex scenes) about each of the characters, all of whom have something in common—their large busts and the men they like. However, what is more important is that they share the wish to become mothers; some because they feel lonely, others because they want a child for whom to care, but in the end they will accomplish their desire no matter what.