A new marriage puts our hero in the midst of a bounty of beautiful women. It won't be long before his gives them all a taste of his sword!

This story about a married woman, as is usual in such stories sexually unsatisfied in married life, and decided to make up for lost time with her brother, who came to stay with her husband and children. What started as a harmless joke on a drunken bench, will grow into a constant frenzied sex always and everywhere, at any convenient opportunity.

Yoshino Kanako is happily married to Tomoya and they are preparing to have a child together. Everything is going great until Kanako meets with her father-in-law, Makoto, whom Kanako is already familiar with unfortunately... Something she never disclosed to her husband is that seven years ago she prostituted herself to abusive Makoto. Fortunately for Kanako, Makoto agrees to keep the secret on the condition that they re-establish their intimacy.

Kageura, an otaku with glasses, is tricked into joining a group of gyaru at a physical education warehouse. One of them, Yui, decides to play a game with him, but she loses. She then decides to deprive him of his virginity in front of everyone. Thus, since this incident Yui constantly feels a strong excitement deep inside her.

Humanity is undergoing a dire crisis: women densely populate a world in which almost no human male can be found, the ratio being one man for every 10,721 women. To solve this grim predicament, governments issue licenses to men, encouraging each to copulate with girls of their choice in hopes of restoring the balance between sexes.As the only male in his city, Takumi Ibuki receives his license and goes about his duty. In an environment where there are females as far as the eye can see, whether it be with his school's ace, with his childhood friend, or even with his sister, Takumi will do his best to save humanity from its impending extinction!

I can't get my mind off of her! I dream about her and every waking moment is consumed with thoughts of her... I need to figure this out...

Yuina loves her non-biological big brother. One night as she thinks about her brother, she suddenly finds herself in a new world. She gets harassed by a man, whereupon a succubus appears in front of her and saves her. Succu, the succubus, explains to Yuina that she can return to her old world via a portal. In order to create a large enough portal she has to become a succubus herself and in order to do that she has to seduce enough men and so the adventure of Yuina and Succu begins.

I go home after a while only to get fucked around with. My tanned slut of a sister, Megumi, is sticking her pants into my face as she teases me… and my innocent sister, Aya, is soothing me as she sticks her pussy into my face… All this teasing is bringing me to my limit...

Machida, a timid virgin boy transferred to an all-girls school because obviously this is normal in Japan, and ends up targeted by Rio and Mao. Machida, who was pressed against their breasts and teased over the edge, couldn't stand it and blew his load in a classroom full of girls! Rio, the only one who noticed this, took Machida to the infirmary...

Two sisters are orphaned, their parents left them only debts, in order to pay them and get themselves a comfortable life, they have to become slaves for a dark organization, and they begin their training under the guide of a man who uses words and reasoning as his only tools, and he is determined to make them the perfect slaves, if he succeds, he will be able to retire from that organization.