Japan was engulfed in a demographic crisis, forcing the government to implement the "Ikumonogakari" law, which permitted promiscuous sexual interactions among the people. They started doing practical and pedagogical activities on the lessons of sexual life and a partner's sexual fulfillment. The protagonists are young and inexperienced, so practical exercises will help them to improve their skills.

Her daughter found the perfect husband... muscular, tall, handsome, polite, always cheerful and has a huge bright smile with a similarly bright future ahead of him. While looking through some clothes that her daughter had left she found something a bit...revealing and after her husband came in and mistook her for her daughter, she found out he had not been getting the attention he needed so desperately... What is a mother to do?

Four independent stories. The first story takes us to a hot spring. In the Second story alcohol brightens up the mood. In the third story a drummer gets lucky. In the fourth story an A student wants some more hands on practise.

Murakami Teruaki's new project is finally starting! This new production of Murakami Teruaki, greatly known for his savage eroticism unrivaled in depictions of high-speed piston-like action and facial expressions accompanying orgasm, is, of all things, in the genre of "Younger Sister Moe"! It has been decided that Murakami Teruaki will turn Moonstone Cherry's "Imouto Paradise!", a game with the concept of "masturbate to cute girls," into an anime with the help of his direction!! The lewd, cute younger sisters will now assertively bear down on you through the anime.

After her mother left the family, Kasumi lived with her stepfather. One day, Kasumi’s stepfather can no longer control himself and starts having sex with Kasumi. Although this happens regularly from then on, Kasumi does very well at school. Kasumi’s teacher tells Kasumi’s stepfather that the university in Tokyo that she wants is now within reach. To prevent Kasumi from moving away to Tokyo, her stepfather offers to pay for Kasumi to study nearby, and he has another idea as well…

At a school where boys are a minority, Ayuchi has been bullied by the girls in his class. One day, he receives a mysterious onahole that allows him to have actual sex with whatever girl he imagines. Making full use of his new tool, he begins a plan to take revenge by impregnating the entire class.

Our protagonist, Majime Masato, is an extremely average and extremely lewd second year student at Ichisakura Academy. His reputation as a pervert precedes him. One day, he saves a black cat named Shami who gives him a magical "smartphone of love" as a gift. He levels up from being a lowly perverted student to being the most perverted student in the whole world! Ichisakura Academy ranks in the top three in the nation for average female bust size, so Majime has quite a selection to choose from!

High school student Yui Tachibana loses a game she played with her friends. Now she is to receive a penalty. However, in order to carry out this punishment, the girls need a certain “thing”: their classmate Shougo Kageura, a weird otaku boy. Yui is supposed to take Shougo‘s virginity as punishment. What’s more, in front of all her friends! They climax rather quickly, though Yui can’t get Shougo out of her mind – especially his beautiful, perfect-sized cock. Soon, this “one-time punishment” turns into more…

No synopsis available yet.

Mitsurugi and Nagihara, the new employees at the company, are working diligently and are appreciated for their professional qualities. Mitsurugi is responsible, while Nagihara is admired for her refined behavior. However, secretly, both women work at a masochistic soapland, showing a completely different personality from what they display at work. In this place, their masochistic fetishes are unleashed as they reach orgasm, which arouses curiosity about their true personality.

The newlyweds had found a new house and went to greet their landlord, only to find that Murai, a former volleyball coach, had taken over the family business. Marin Momodate (maiden name) had bitter memories of Murai from her school days, and just as she was trying to avoid him as much as possible, she found him when she returned home after leaving the company on a long career break. Masashi, her husband, was put to sleep and the space was now just the two of them. The coach and she were sexfriends, and he rubs her tits as if it were a matter of course. Marin tries to refuse, but the past comes back to her, and she can’t forget Murai’s stubby, middle-aged body. Marin becomes addicted to each of his techniques, and her feelings gradually shift to becoming Murai’s female toilet.