Saki Shioya

Ryuki Kirishima is a boy who lives with his older sister, Reiko, after the tragic death of their parents in a car accident. One summer day, Ryuki and his friends gather to watch adult videos for fun. Although Ryuki doesn’t usually enjoy this type of content, he feels inexplicably attracted to videos featuring Kiriru, a new and popular porn actress. As he watches, Ryuki feels a strong attraction to Kiriru, and to his surprise, she appears before him in person for sex.

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.

Mine is forcibly taken to work in her parents' fields by Ayano, a veteran member of her club. However, by spraying water, Ayano's clothes are splashed with water, and under the transparent clothes, there is a cute nipple... A small accident leads the two to vent their feelings towards each other. Under the blue sky, their lips touch, fueled by uncontrollable love and lust. Yuzu, a beautiful young woman with long black hair, is the object of male admiration. But when she is alone, she takes a selfie masturbating and enjoys it.Today, when she is secretly taking masturbation photos in the club room, she is finally discovered by her superior, Matsuyama.Yuzu is anguished with shame, but after revealing her true nature, her sexual appetite increases to the point where she seduces Matsuyama and devours his cock. Yuzu's face turns from innocent beauty to lonely bitch as she begs to be penetrated, unable to hold her aching pussy.

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.

Takamura is invited to a fitness club by the wife of the managing director at her husband’s job. She goes and moves around her body. Just when she thinks she’s done, the wife says that things are just getting started. Onda is told by his upperclassmen about this part-time job so he goes to check it out. He goes for an interview, and then is told about the “special menu” the shop offers, which he decides to try out.

These 2 volumes consist of four short stories: "Mixed Bathing Hot Springs" Kaeda Endou loves hot springs more than romance, fashion and studying. "Cleaning Time" Miwa is a clean freak who can't stand the thought of being touched by others. "I'm Not a Virgin!" Thanks to her peers at school, Haruka thinks her being a virgin is the reason she's unpopular. "Look at Me" The landlord's daughter, Haruno, is very shy. She can't keep a conversation with her classmates.

Takahashi is roped into becoming the manager of the girls' volleyball club. He is inevitably used to gratify the sexual desires of all the club's members. Satou of the girls' volleyball club watches her senpai have sex with club manager Takahashi every day. She masturbates daily to quell her growing desires but to little effect. Satou devises a plan that buys her and Takahashi some alone time in a storage room. As their summer tournament approaches, the girls' volleyball club sets out on a trip to training camp. But as soon as the club memebers arrive, they throw a BBQ party! And after that, everyone wants some of Takahashi's cock!

Implicity tells short intertwining stories taking place in the near future. The stories start in the upper stratum where the rich and successful lives, but we are soon taken to the slums where even semen are a vital source of protein for survival.