After the disappearance of her sister and finding out she had joined a suspicious enlightenment group seminar, Riko enlisted herself into the course to find her but the only way to reach the same course as her was to rank up and the only way to do so was to help others release… that being through sex.

This is the story of a boy who became the lone Adam among four billion Eves. In a world where a pandemic has rendered all men impotent, high school student Itsuki is the sole exception. In order to protect this secret, he transfers to a very special high school, which turns out to be composed 90% of girls!

There, he encounters an upbeat and friendly senior, a sexually frustrated female teacher, a tomboyish school “prince,” and an heiress from a wealthy family. For Itsuki, who has his pick of any woman in the world, the question remains: which one will he choose?

Kairi stepped out of the air-conditioned bus and had to squint his eyes from the blinding sunlight and summer heat. When he slowly opened his eyes, he saw the sparkling azure ocean in front of him, with the clouds adding pockets of white to the sea of blue, and he smelled the faint scent of the ocean brought in by the gentle breeze. He moved here from the city to live with his grandfather after his parents went abroad for work. The kind townspeople welcomed him to their town, including two girls Haruka and Yuzuki.

Would you like to spend a wonderful summer break together with them in this town?

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?

Sekimoto Ayaka joins a company where all female employees are sexually harassed. Eventually they begin to enjoy it.​

Unable to resist his animal urges, a professor is caught red-handed having sex with a busty coed! Now under blackmail, he must help his new partner in crime mentor the hottest females on campus… and capture their erotic training sessions on film!

Tetsuya’s investigation into a luxurious hotel turns over a nest of yakuza and a bizarre orgy cult. On rich silk sheets and velvet chairs, the rich and powerful participate in sex acts so depraved that just witnessing them is likely to turn a man into a monster. But the true purpose of this cult is a pact with evil energies that can literally turn Tetsuya into an inhuman demon.

Based on erotic manga by Yabitsu Hiro.