Episode 1 
 
Owner's Wife 
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. 
 
Mama to Tanetsuke no Su 
A mother continues to seduce her son, Yuri, with tongue kisses every day. When they were running out of patience with the excessive skinship, Hiroki, a friend of Yuri, came to visit them. Her husband is away on a long business trip, and the mother, frustrated, masturbates in her room. Hiroki happened to catch her in the act, and he threatened her to tell Yuri about it. It's a mother who allowed everything to Hiroki as she was told. 
 
Episode 2 
 
Mamatomo Koubi Teaching 
Shizuku Ogisato is the mother of the next-door neighbor, Yoshi, who often comes over to visit. She is so naughty that it's hard to keep an eye on her, and there are rumors that she's doing extreme things behind the scenes. Secretly, Kazu masturbates day and night, thinking about Shizuku. Kazu gets an erection just by her pressing her breasts against him, who is in the middle of puberty, and when they are alone.... 
 
Ore Senzoku Micchaku Koubi Maid 
The Mochizuki family must designate a maid at a certain age. Reiji welcomes Fumi, who has been his best friend since he was a child, as his exclusive maid. Fumi is an adult woman with a husband. She is a little out of her element and has a close sense of distance. When Reiji returns home from hard work, her raging erotic appeal is so great that he has reached the limit of his ability to keep his reason. In fact, it is customary for the exclusive maid to engage in sexual intercourse, the relationship with a single maid becomes even deeper under the pretext of a master-servant relationship. 
 
(Source: Mediabank, translated)

Kazu's mom