In order to find out the truth about her husband who pretends to his wife that he is going on a business trip, Yumiko attends the sale in a lewd cosplay to find out the truth.
However, there is a rotor installed in her clothes… Her husband is unaware of his wife’s cosplay, and the low-angle shot and the trembling rotor bring her to the brink of climax!
What’s more, her husband, who doesn’t know anything about it, comes to the men’s bathroom where Kazuya took him…?
Yumiko can’t wait to fall in pleasure with the immoral NTR sex that is just about to be discovered…!

The story centres on two married couples, Mihara Asuka and Kousuke, and Suzukawa Akana and Reiji, who have been close friends since their student days. On a trip together, the couples visit an onsen spa, where they decide to swap partners…

A middle-aged man who has lost his job and home because of his arrogant nature. Leading a vagrant lifestyle, he became embittered and aggressive towards society. One day he meets a mysterious beauty Shima Itski, who invites him to become the founder of the sex cult “Ishin No Kai” and in addition to this, she offers him a huge amount of money, a house, and a car. Of course, our hero just could not refuse the sultry beauty and now he has become the “Lord” of a mad sex cult with unimaginably depraved rituals…

The main character, Seiichi, enjoys visiting remote islands and his occupation is that of a teacher.And he, no matter what he hides, owns the unmatched, but is unable to wear the unmatched every day.His days were unsatisfactory.One day, he received a “certain request” from an acquaintance, the chieftain of the island.He is transferred to a remote island called Ushihi Island, commonly known as Motherhood Island.What is this “certain request”?The woman of this island is.

Suspicious of his wife, Misako, Rintarou hires a detective to spy on her. The report he receives from the agency contains a picture of Misako in the act. Looking like an idiot, the guy in the picture is Kuroda. Rintarou calls both of them out. In return for looking the other way, he wants them to film a sex video… Kuroda shows footage of him fucking Rintarou’s wife, per Rintarou’s request. Kuroda tells Misako to meet him at a park one day. She disguises herself with a blonde wig and sunglasses as she heads towards the park. Kuroda tells her to get naked and he puts a vibrator in her pussy and makes her straddle a wooden horse as she sucks his dick. All of this is being watched by Rintarou…

Ever since he was a kid, women have bullied Boku, which marks him so that he stays stuck in the past and becomes unable to move on with his life. One day, his childhood crush, Kasumi, invites him to her wedding. As he watches everyone around him lead a happy adult life, Boku realizes he has been left behind, causing him to wish he could start his life all over again. Somehow, this desire comes true, and he ends up traveling back in time to his preteen days. He soon meets Sera Narumiya, his past neighbor, who frequently harassed him throughout his school days. Given an opportunity to redo his life, Boku decides to confront his past problems, but now with the mentality of an adult—this includes, of course, a more sexual approach when dealing with troublesome women.