It began with a bloody sacrificial rite designed to throw open the Gates of Hell. Dark forces descend upon 19-year-old Masao’s college, and gang violence and rape are the order of the day. Soon, demonic entities battle in a conflict that threatens to become global Armageddon! Can Masao save his campus, with the King of the Underworld bound to his mortal soul?

Atsuko and Sayaka think they have it made when they are both accepted into the same prestigious women’s academy. There, they will be free to explore the intense passion of their relationship, unbounded. But when the mystical bonds imprisoning a hideous ancient evil that feeds on the lust of nubile women are accidentally broken, the two young lovers soon learn they have more to fear than final exams.

Tsukasa Tachibana is just a regular guy… until the day he is selected as the test subject of three witches undergoing their final exams. The first witch is Chipple. Her task is to make Tsukasa like her. The second witch is Irene. She is assigned the same task, except Irene believes that the way to Tsukasa’s heart is through carnal pleasures. And so Irene tries to get Tsukasa to do it with her at every opportunity. The third witch is Liv. Her assignment is to kill Tsukasa. It’s an all-out competition between the three witches, and Tsukasa is the prize!

When 19-year-old game-whiz Norikazu finds a strange computer in his backyard, he can’t resist tinkering, with disastrous results! He and his lover get sucked inside a nightmarish computer generated world where they are attacked and by demons and lecherous zombies. Who says that love can conquer all?

It began centuries ago, when the Miroku ninja clan made a deal with the forces of the underworld, leading to centuries of struggle between rival clans. And now, after more than 600 years of peace, the denizens of the underworld are about to get a new boss. Now, 18-year-old ninja in training Midou Miko is entrusted with the family business: making sure that sex-starved demons stay out of humanity’s way! What does a ninja do? Fight, with every battle skill and sexual sorcery she can muster!

Kousuke is a high school student with a big taste for the fairer sex. Not only that, he has a way with words that makes people help themselves. With a childhood crush and abusive teachers the hilarity starts.