A school doctor comes in possession of a sexual hypnotic spray that inhibits girls to succumb to sexual desires. One after another, high school girls fall prey to the school doctor’s sex schemes turning them into sex slaves.

The fiends continue their rampage across Tokyo City and the beautiful Shrinemaiden Momiji must take a stand! Seeking to avenge her clan she enters the hellish cityscape , but what new terrors will she find lurking within? As she tangles with foes both human and demonic, can the innocent Shrinemaiden retain her purity?.
Sexier, darker, filthier – the sequel to the worldwide smash hit Kunoichi: Broken Princess ups the ante as beautiful ninjas go head to head with perverted demons! A high-octane 34 minute erotic adventure with foes old and new, sure to entice and terrify – including the ferocious Subject Bravo, a lab bred monstrosity!

A female teacher finds her sister fucking two dudes at her place. She decides to get in on the action… to protect her sister of course.
Episode 2 involves a slutty teacher who gets caught doing some slutty stuff and now she has to do some more slutty stuff. Works for me.

When the main character visits his school during summer holiday, he accidentally finds Sukumi, his classmate, masturbating in female locker room. “If you don’t want me to bring it out into the open, come here every day!” Her orders gradually get bolder and they have sex in the pool…? Super erotic summer holiday! His endless summer with Sukumi now starts!

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 game by Black Lilith.
Year 2054, Tokyo. Kirisawa Rei and Izumi Fuko are the capable
special agent, commonly called Mayaku Tokuso, whose task is
drug-crime investigation and to take down the drug syndicate
in Tokyo. They were a perfect pair, getting over numerous
bloodbaths together. One day, they had an information of 12
Angels, a drug syndicate that they had been searching for
years, sneaking into the most dangerous city in Tokyo,
Sinjyuku, where is rumored that their secret base is located.
But it is a clever trap set by the boss Kiryu for the revenge
on them…

Based on the adult manga by Sawaru Erect.
The third series from the Pandra franchise.

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…