Ishizuka Kengo has started working as a teacher at the school he graduated from and has been given the job of taking care of the old school building until it gets demolished. While for others that task may have been troublesome for him it is an opportunity to satisfy his dark desires, and he wastes no time doing so...
Ishizuka's first target is Morimiya Saki, a student at the school, but soon he also targets Saki's friend Arisa, Saki's Rie, and another teacher at the school - Mashima Mikako. What awaits these four at the hands of the sadistic teacher?.
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 Chihiro is an old friend, and she remembers Ryouichi. She is unaware that he has suffered brain damage from an injury he suffered while they were playing as . 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 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...
One day came a stunning teacher to pupil school Akakura. "I need your help, Wataru." - She said - "Immediately take off your clothes!" - Aoi in his voice there was no doubt and it notes clearly not joking. She explained that in fact it is a secret agent of the organization "Cradle". They are fighting for some time with "4D" and without the assistance of Wataru they do not win. How they can help ordinary schoolboy? Everything is very simple! First, he needs to accumulate energy. As it accumulate? Elementary! We need to engage in improper conduct with the opposite sex. And then what, you ask? Like what?! Zhahnut charge the enemy of love! Here the volunteers arrived. His friend Honoka, Ermalit a girl from the future of the world and the last of the baby Chitose gladly agreed to help his homeland. All Vatamaru now not wriggle. However, all this style company knows about something indecent in theory. Begin fun days.
The former policeman, now a private detective Reydzi Tokisaka invited to meet his friend Uodzumi, who still works in the Department for Serious Crimes. He asks Reydzi help in solving the mysterious case of one: some time ago severed limbs were found, belonging, presumably, a young girl, but the body to detect and failed.
Insidious succubus Tviska terrorizes the town, but at a time when everyone needs a hero, he appeared. A descendant of the heroes named Teo.V moments of danger, when the demons attack the young hero, his sap awakens, showing the world's adult guy with such a bolt. What did he do with it? Look and learn.
Private detective Satoru Kido hired for him to find the missing family heirloom of a very wealthy family. Together with his assistant, he comes to the house where there was a loss. In the mansion live estate manager, a maid, a little girl and her teacher. He begins his investigation without knowing that this is only a play mad.
