Milf Mansion

Based on the erotic game by Guilty. Ryo and his stepmother Madoka lived happily together, lusting after each other but content to just watch each other from a distance without doing anything about it. Until one day Ryo discovered that his stepmom was indebted to the Yotsuya family. In order to help her he offered to sell himself and work for Akie Yotsuya, the head of the family. But he had no idea what awaited him in the mansion... At first it was just Ryo, Akie, and Fumi, the maid. But soon two more people moved in: Reiko, Akie’s sister... and Madoka, Ryo's mother. And as time passed Ryo discovered that the four women he was sharing the mansion with are connected in more ways than one... (Source: Anime News Network)

Daisuki na Haha

Based on the CG collections by ぱすとG (Past Gadget). Episode 1 The story of a neighborhood boy who exploited his friend's mom into having sex every day. Later things escalate and she has sex with her own son. Episode 2 "Can I call you mother from now on?" She was practically r*ped by her son's home tutor. Moved by the absurdity, baffled as she was groped, everything began there. (Source: DLsite English)

Love 2 Quad

Based on the erotic game by Marmalade. One day, the most popular teacher at Akakura Academy, Aoi-sensei, approached Wataru and informed him that his help is needed and he must take off his clothes immediately. She was an agent of the secret international defence organization Cradle and asked him to aid in the battle against the enemy ’4D’. In order to defeat ’4D’, he must engage in ecchi activities to gain energy and defeat the enemy with the power of love! His little sister-like childhood friend Honoka, classmate Ermalit, expressionless Mirai from the future and tiny Chitose from the past lend their help. However, they aren’t sure what to do?! And so marked the end of his peaceful single life. (Source: Hau~ Omochikaeri!)