Based on the game by Innocent Grey.

The Ueno serial mutilation murder case . . . there is nothing that rivals this case in Japan.

It was settled that Takashiro Shuugo would head to Zushi after his former superior, Arishima Kazuma, was put in charge. The job he undertook involved the disappearance of a daughter from a good family.

At the Kouzuki home, the origin of the disappearance case, he encounters Kouzuki Kazuna. She is a young lady who has the same features as Kouzuki Yura, a lover whom he once before had been with in secret. He is then entreated by her to find her elder twin sister that has disappeared.

But then Kouzuki Keiichirou, Yura's father, pointed out to Shuugo,

"I'm telling you, that child is truly dead......"

It is a mingling of both fictions and truths. The curtain of tragedy rises now with the stage set in the town of Ueno right after the Second World War.

In an isolated island far away from the main land, there was a training facility owned by a high school. Because the janitor had died suddenly, Ohmi Riku took over the job, for a period limited time of two weeks. His life was supposed to be calm surrounded by cute girls of swimming club and the teacher. His life changed when he found a lot of video tapes sneakily recorded. In the video tapes, there was a scene a man, who was probably a predecessor, was molesting a girl in swimsuit. Then Riku found that the predecessor was always taking sneak pictures. At first, he looked down on him and sealed the video tape. However, he began to sympathize with the predecessor's evil spirit...

Murakoshi Shinta is a student prone to wild delusions. He has kept this hidden all this while, living his gloomy and mundane life. One day, a tentacled alien parasite takes over his penis. Murakoshi complains to it that he is unable to walk around outside, what with his groin exposed, but the alien assures him that no one will notice as it has the ability to cloud people's minds. Thus, Murakoshi utilises that ability to satisfy his desires.

Inside a private hospital, a scientist is transforming females into sex slaves.

A side story from the original: Ai wishes to be a real woman, after thinking that she had dreamed her sister doing with the doctor. On the other hand, Ryuji Hirasaka wants to have his pervert experiments trial on Hikaru. Instead, the doctor become a savior to Hikaru & Ai for his new invention having both sisters doing it to one another and Ai thought that it as a dream... The last episode ends as the doctor and his newly wedded bride nurse, Ren, went exile to a village to continue his medical practice... and of course his experiment only on his bride.

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.

Chiba Kagetora enters employment in a super-elite academy as a "jester". However, he has a dark motive for doing so. Kagetora's body possesses a unique attribute: Women who are spattered by his semen become extremely aroused and fall captive to their lust. Using this, he plans to dominate the "princesses" of the academy.

No friends, daily beatings by bullies and even his parents have given up on Ryouichi. However, his life changes one day when a new girl transfers into his class. Chihiro is an old childhood friend, and she remembers Ryouichi. She is unaware that he has suffered brain damage from an injury he suffered while they were playing as children. Riddled with guilt, she offers to do anything for him. Taking advantage of the situation, Ryouichi demands sex from her. Her conscience does not allow Chihiro to back out, and she agrees. Ryouichi quickly learns that he is infallible in bed, that he has a secret weapon. After years of abuse at the hands of his classmates, he only has one purpose... Revenge. He sets out on a carnal, perverse journey to turn all the women that disdained him into his personal sex slaves...

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.

Based on a game by Lune.

Two unrelated stories about widows and how their sex lives drastically change with the passing of their beloved husbands.

Mizuno Mayu is a young nurse who has just started working at a hospital. The very first day she discovers that her ex boyfriend works there as a doctor. But that is not the only surprise that awaits her, as she finds out just hours later... And while Mayu is getting used to certain "things" at her new workplace her ex is having problems of his own...

Teen-aged (and well endowed) school girls getting raped - by their teachers (the first episode), by some businessmen who mistake the girl for a hooker (the second episode), by a classmate in mad love with the girl (third episode) and finally two sisters being raped by the school janitor.

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?

Childhood friends, Ryoma and Tamaki, are not just friends. Actually, they have sexual intercourse, but they're not lovers, either. One day, Tamaki gets angry with Ryoma and announces to break with him because he didn't take contraception measure while they were doing things.

However, because they belong to the same club, they have to meet. Seeing their cold attitudes, Yuri tries to make them friends again. However, she can't hide her love toward Ryoma, and confesses her love. Then, they make love, but...

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.

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.

Empowered by his previous wins, he decides to make things with his patients a little more.. intimate.

Shirasaki Miwako is asked by her college classmate Miori Ai to work by her side at a maid cafe. But she is not aware yet that somewhere in Akihabara an underground organisation called Maid Masters abducts young waitresses to confine and rape them...

Kate is the voluptuous, virginal new recruit for the Federal Space Army Security Police. Although she's the newest detective in the galaxy police force, she's eager to prove her worth as an undercover agent. Her first assignment is to track down the villains who have been snatching up and raping all the young women of the hot desert planet, Doune. Will she become their next victim? Can she keep her virtue intact while infiltrating their den of ill repute? No mission is too dangerous, no disguise too skimpy, no sexual exploitation too deviant, for our girl Kate to handle!

A generic story of girls getting involved in a relationship with a guy. Includes cosplay, nurses and swimsuits.