A school where having sex replaces a normal grading system. The one at the top of the sex list gets the grades.

Based on the erotic game by Lune of the same name.

Based on the erotic game by Lune of the same name.

Based on a game by ivory (Janis). Makihara Kousuke works as a substitute janitor of woman dormitory, Sazanami So, while the regular janitor, who is his aunt, travels abroad. The contract term is almost over, but he has one thing worried about. Among the member of the dormitory, only Jinnai Mio doesn't open out to him and doesn't try to eat his dishes. Then, he makes the former janitor's favourite dish to let her eat.

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.

Aki is an Andromaid, half android, half maid. Created to infiltrate the house of Kenichi, she disguises herself as an ordinary housekeeper. Her mission is to capture a sample of Kenichi's superior sperm, but she ends up with more than she bargained for. Will her android heart find love after comforting her sad new master?

As night arrives the shadows of Koga fall on Iga and a new threat exists for our lusty vixens. After a torid sexual encounter Yatsurugi Shinobu's best friend Mashiba Aya is infected with a parasitic bug and succumbs to its will. Having the same insatiable urges, the same tragedy is about to happen to Kage Lena. The only known antidote is stored deep within the labs of the Koga Institute and is the only thing which will save Kage Lena.

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...

Sadistic Princess Lunahasol, primary patron of the arena, provider of her people’s enjoyment, lover of bloodshed and slaughter above all else. As her caretakers and friends wonder if anything can be done to change her personality, Princess Lunahasol’s elder sister, The Empire’s Crimson Sabre, Princess Marshtaar appears. She does combat with Liguceun, Those who wish to influence Princess Lunahasol leak information to Liguceun, allowing him to triumph over Princess Marshtaar.

In the aftermath of their duel, Liguceun ravishes Princess Marshtaar as Princess Lunahasol watches in delight as the sister she respects is humiliated, her personality becoming even more warped.

And now Liguceun has Princess Lunahasol in the palm of his hand. Luna shoves her sister aside, draws near, and says, “Could it be? …I’m part of the imperial family… and you’re going to fuck me?” Liguceun, descendent of a barbarian tribe, muscles bulging, takes the inexperienced young princess in his arms and plunges his rock-hard and fully-erect cock inside her.

Based on a doujin game by CourregesA.

Sakuraya Academy is a high-class girls' school. Its stringent selection process is designed to ensure that they take in only the daughters of the most social elite.

Kannari Masayoshi is a 4th-year teacher at Sakuraya. Due to his kind and cool nature, all the students fawn over him. However, this is only his outward nature. He makes use of his popularity to form affairs with many of his students.

Now, his sights are set on a new girl, Kirihara Yukino.

Yamanobe Etsuko is one foxy newscaster, and the top anchorwoman on Tokyo Flower Television. Desperate to coax some hot ratings out of a limp sweeps week, Etsuko gets herself a front row seat to an unfolding hostage crisis. But even though Damesuke flipped when he was laid off, taking his boss’s college-girl daughter hostage, he’s too much of a wimp to follow through. That’s where Etsuko comes in. She forces Damesuke to engage in all manner of graphic sex acts with Mayumi on national TV. But in the name of ratings, will she be forced to get in on the act herself?

Previously, Shizuka ended up getting arrested (while in the middle of fucking in the bathroom) for playing a bad joke on Hatsune’s father/sensei when she visited his office… In the interrogation room, her eyes are completely blank… She mumbles in her stupor that her life is over, as a policewoman that looks like Hatsune waves her hand. Off in her own world, she imagines after serving her sentence that she is assaulted and gets her clothes ripped by her teacher/fuck buddy Yamada, who blames her for his life going south… As Hatsune watches Shizuka imagine her future in her slutty cosplay, she takes out her boobs as she kneels in front of her husband.

Based on the manga by Fuusen Club (風船クラブ)

In a dark, empty school building, Kiriko is bound and gagged, wearing only her underwear. In front of her, there are three men wearing masks. They tell her, "I want to see your body drown in pleasure, and your face contort in ecstacy." These men had much experience with other female teachers. They would continue their perverse assault until their prey cried out in ecstacy. However, Kiriko is a strong-minded, martial arts expert. Two of the men were already lying wounded in the nurse's room. As Kiriko threatens to turn the men into the police, her epithets start to excite them. They tell her that if she can stand the men playing with her pussy for ten minutes without getting wet, she can go. As they play with her body, her mind and reason dims in a wave of sexual pleasure....

Lately, Alisa has been troubled. She cannot forget the sex she’s had with Kenta, and every night her body aches for his touch. Alisa “consoles” herself in the kitchen. She feels that it is wrong to have sex with someone other than her husband, but her body feels otherwise.

“I shouldn't be doing something so lewd!”

She finds something thick and about the right shape to insert. But it can’t compare to Kenta’s “Big Magnum”! Finally, she inserts objects into both her pussy and her ass and stirs vigorously. The mayonnaise mixes with the other liquids inside her to form a thick sauce. She trembles as an orgasm rocks her body, her face an expression of pure bliss.

Then one day, Kenta encounters Alisa who is clothed and sopping wet in the shower. Alisa’s wet clothes cling to her body. With Alisa’s perfect curves on display, It’s times like this when a man’s honor is on the line! A switch flips in Kenta’s brain, and he’s in sex mode. He gives her another lesson in Japanese culture.

A sailor uniform is a symbol of youth! Kenta comes inside Alisa with youthful indiscretion! A school swimsuit is no match for Alisa-san’s gargantuan breasts!

But then Kenta asks a serious question. Who will Alisa choose?

Aria is on her way to Golden Breast Island in search of a quality musical education. Little does she know, this school's lessons are meant to hypnotize Aria and her bevy of beautiful classmates. One by one the women are turned into sex slaves by the evil Karma and sexy Shinbi! Will Aria be next?

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.

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.

While riding the train, some girls get into trouble.

As night arrives the shadows of Koga fall on Iga and a new threat exists for our lusty vixens. After a torid sexual encounter Yatsurugi Shinobu's best friend Mashiba Aya is infected with a parasitic bug and succumbs to its will. Having the same insatiable urges, the same tragedy is about to happen to Kage Lena. The only known antidote is stored deep within the labs of the Koga Institute and is the only thing which will save Kage Lena.