Shinobu Yakuwa

A nationally recognized teacher at a prestigious school, that is the legacy she has earned. She is engaged to the son of the school's director and her life could not be more perfect... until a few of her students decide they want to cause some problems for her and seduce her fiancé to use as blackmail to get at her... what are they possibly going to ask of her..?

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.

A schoolgirl track and field athlete takes shelter from the rain at a lonely and secluded bus stop. Shortly after, a student otaku arrives at the same stop to seek shelter from the rain as well. As they talk, their dark desires show themselves and they both satisfy each other sexually.

A married couple runs a coffee shop, but the husband is currently in the hospital. The wife pleads with the landlord to wait for this month’s rent. Pretending to be a good guy, the landlord uses that to blackmail her. He gropes her ass while she’s working and whispers in her ear “You want to protect this place, don’t you?” when she tries to resist him. She then becomes his outlet to release his sexual frustration.

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.

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.

Adaptation of the manga by Monorino.