Based on the manga by Erect Sawaru.
Miu had fallen in love with Haruka, the student council president. Acting upon her feelings, Miu sent Haruka a love letter, not knowing what the consequences of this action would be. A twisted tale of betrayal, revenge and love begins…

An evil goddess is trying to gain absolute power via absorbing the life energy of a human using a woman as a succubus. Four minor goddesses try to stop her, the goddess of Tiger, Dragon, Phoenix and Turtle, but their efforts seem useless as two of them fall under control of the evil goddess. The life of the young human is being absorbed so they must hurry to save him.

In a town divided by a bridge, both sides are like night and day. One side, a violent, immoral,abusive sexual decadence. The other side a paradise. Should one cross that bridge from day to night, there is no turning back. No rule, no law, just total chaos.
There is a gang that benefits from sex and violence. This is the story of those gang members and the dark secrets that go with them.

A war is being fought between the goddesses of dark and light. While the former try to steal the jewels from innocent women, leaving lifeless husks, the latter hunt the evildoers. Both types of goddesses are equipped with powers to fight, but their strongest weapons are their retractable penises – flooding the enemy with pleasure is the only sure-fire way to win.

Based on the erotic game by Grand Cru Noir.
The seemingly strict and disciplined school-council president has a secret. She loves getting roughed up, humiliated and being fucked in the ass. Didn’t see that coming? Well, the new teacher that transferred here certainly did. But she isn’t gonna report her. She just wants something else in return…

Due to “family circumstances,” Kondou Makoto is living with his childhood girlfriend, Narasawa Yui, and her mother. Although Yui is obviously attracted to her “onii-chan,” he remains oblivious and pursues the numerous girls who conveniently cross his path, providing them with help, comfort, and of course, sexual healing. Eventually, he finds himself seriously attracted to a girl named Izumi. What will become of Yui and her lifelong crush on Makoto? Will Aritomo the rich snob catch Yui on the rebound? Will Yoshiki the perverted photographer get incriminating photos of every female in their school?

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…

Based on a game by Atelier Kaguya.
Touya spends his summer vacation with 4 live-in home tutors. However, his lessons are not limited to book-learning…