Youhei lives a peaceful life with his mother Kaho, and cousin Fumika. One day, Kaho suddenly confesses to Youhei that she is actually not his mother by birth. Although this depresses Youhei, Kaho assures him that he can continue living with her and Fumika, whom he has always treated as a sister, as if nothing has changed. However, a woman claiming to be Ikue, younger sister to Youhei's actual birth mother, moves in next door and asks that Youhei moves in with her. While Youhei is in a state of confusion, the three women attempt to use their voluptuous bodies to seduce him.

My father had died. Because I received this message from my mother, I went home for the first time in two years in order to attend the funeral. Because my father had married her while I was in boarding school, it was the first time I'd seen her. My father was born into a rich family, but he was very lavish, and it was his fourth marriage. I opened the door, and I saw a woman. It was my stepmother. Although it was the first time I had seen her, she was the visage of my real mother. It sounds shameless, but I got the urge to fall on her bosom as I used to do when I was a child.When I looked at the miserable figure of my father who had died by falling from a horse, I wondered why my mother and her had been attracted to such a person. The next day, a gorgeous carriage arrived at the house. It was from my grandfather. He would take care of us because my house was already mortgaged. I didn't know at that time, but he had another reason to take care of us. He didn't have any male relatives. Therefore, he adopted me to make me an heir. In this way, my stepmother and I went to my grandfather's house.

The depths of our planet hide a subterranean, magical world named Roa currently in the grip of a terrible war between the all-female knight corps of Queen Gloria and the monstrous troops of the evil syndicate Zerou.The story starts when Metzer, a young and brilliant Zerou officer, gets official approval from Zerou's high command to try a new plan suggested by the protagonist himself. Secretly relocated to the surface of Earth, his mission consists of gaining the trust of the Sweet Knights, the two japanese girls bestowed by Queen Gloria with the power to protect the surface world from the monsters of the syndicate. After discovering their weak points, Metzer will use his monsters to defeat, kidnap and brainwash the Sweet Knights into sex slaves devoted to Zerou's cause.However the syndicate do not know (yet) of Metzer's great ambitions...

Mukuto, a college boy working through the vacation as a servant of the aristocratic Kawarazaki family, explores a mysterious pavilion on the grounds of the family mansion. Tempted by gorgeous women and "forced" to commit sexual acts, he is dragged into an alternative world of passion and love. Or it is just a dream?

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.

Makoto and Yura are happy newly-weds, both of them 25 years old, but neither of them has any sexual experience. Desperately willing to improve their sex life, they look for help from their relatives, friends and the media. While their sexual knowledge is increasing, embarrassing moments are not uncommon for the innocent couple.

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.

Strange monsters start to appear on the streets, raping women.How is all of that connected with the appearance of a second moon in the sky? That's what Ryou is about to find out.

Dramatic Tension leads to sexual release! Sayaka Shirakawa is the daughter of an art professor who specializes in death-themed paintings. She is dating one of his students, Souji Kamishiro. For some reason, Sayaka seems to be harbouring hatred for her father. One day, Mie Wakabayashi, who has romantic feelings for Souji, tells him what she's heard about the Professor: that he has been killing his models so that he can paint their corpses. Meanwhile, Mie happens to witness Shirakawa purchasing poison, and she runs to find Sayaka...

Based on an adult game by Witch.

Kibun Kibun deals with the normal life and problems of a young couple, with a mixture of comic situations along the way.

This explicit anime takes place at an unusual school in which sex between students and, above all, with teachers, seems to be the norm rather than the exception. The series focuses on Yuichiro, a formerly good-natured student who has turned twisted since being falsely accused of rape at a previous school. At his new school, he encounters a group of perverted, abusive bullies, some of their victims, and any number of extremely attractive and libidinous young instructors.

A young man wakes up in an unfamiliar room. He has no memory about anything and can't even remember his own name.When he first wakes up there are six maids waiting and worrying about him because he is their new master. One of them tells him his name is Akio. He then learns that he is in a special mansion and will be able to leave only after he manages to resolve his personal issues. The maids are supposed to help him do so, however with no memory he has no idea what personal "issues" he needs to resolve...

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?

Scientists and police are on the hunt for half-human/half-beast creatures and between that, of course, is sex.Linda, a member of the SWAT team, was pursuing Kata, who was suspected of being infected with a virus. A man named Mustang, a person from the same tribe as Kata, was waiting for her when she went to Kata's apartment. He told Linda, "A bad dream is blowing through this city." In another part of the city, Kata, having braved the virus, was assaulting and having sexual relations with men left and right and spreading the contagion. The city was overrun by infected men that had transformed into beastmen, and marching orders were given to Linda and the others to manage the state of emergency. What can be done to settle this situation...?

Standing up against the demon army that suddenly invaded the peaceful human world, Knight Luvilia confronts the Demon King, Vois. With the Demon God, Tia, Vois defeats Luvilia and makes her into his property. Luvilia shouts and cries telling him to stop but can’t stop moaning from the intense stimulation. Vois enjoys his victory by indulging in the finest of women. When he’s done though, she teleports away. In preparation for their next battle, Vois adds his little succubus who is also his younger sister, Ilis, and big-breast loli witch, Lufilia to his team.

Everyone knows that the family that plays together, stays together. Especially when it's a sleazy family! Masaru walks in on his Aunt Miyuki and catches her in an intimate moment. At first he tries to run away, but Miyuki entices him to stay. When Masaru's step-mom (Miyuki's sister) sees what they're up to, she just has to join in!

Meanwhile, over at the hamburger shop, kinky things are transpiring. The manager likes to administer sexy punishments when his female clerks break the rules. Eventually, Masaru is invited to the party and finds a family affair waiting for him...

Hot for eyeglasses Hiroki is dating one of the girls in his school, Kurumi Sawahitomi. Faithful, cute, and absolutely perfect… But, Hiroki is a bit dissatisfied with their sex. This is because she won’t wear her glasses as they have sex. As they're studying together, they decide to fuck.Convinced by Hiroki, she puts on her glasses. Seeing her with glasses on, he ends up fucking hertwice in a row. After a rough fucking, he gets busted by his sister and gets punished by her…!?

Seiji lands a job as a corpse washer at a hospital. Soon after he is forced to take strange pills from the vice-director, pills which make him hallucinate and turn him into a sex maniac. Thus begins a bizarre tale of drugs, sex and corpses.

Who will be the next fare? What lonely woman can resist the forbidden thrill in the back seat of a taxi cab? As the taxi cruises the back streets what illicit acts could possibly be taking place in the shadows?

There is a videotape, in which a figure of a bride who asked for sexual pleasure was recorded. Taeko is a descendant of Sagayama family which has been living in a palatial residence of a slightly elevated hill. A month had passed since she had been deprived her dearest husband. She wanted to keep mourning until Kaoru, his little brother, came home from abroad to express condolence. Worrying about Taeko, Toshiki and Miyuki who was her classmate, visited her almost every day.

Saeko is introduced to an online sex shop by her co-worker, Sayaka. Curiosity gets the best of her and she orders herself a small vibrator. After discovering the pleasures the sex toys bring her, she gets addicted to masturbation and finds herself doing it all the time. Soon enough, Sayaka joins her in her sex escapades and things start to escalate to new heights.

Saku Ryojiro has just transferred to Kouka Academy, which is famous for theatrical activities. On his first day at school, he started a fight with Aoi Mirai. To make the matter worse, it was seen by Aizen, the head of the Drama Club. All of Ryojiro's classmates are problem students, and he thought he could use the fight to rid himself of them. Then, Ryojiro is assigned to direct the classmates in a drama competition against the Drama Club. If they lose the competition, they will be suspended. However, because they are problem students, he has difficulties directing them.