Furyou ni Hamerarete Jusei Suru Kyonyuu Okaa-san THE ANIMATION

Based on the erotic game by Erectlip. The town is ruled by delinquents. As for you and your mother who lived happily and modestly, the delinquent's leader Shin got his eyes on your family. Your family ties begin to collapse as your cheerful and gentle mother's desire awakes by the cunning tricks of Shin. The only thing you can do, is to watch powerless at the figure of your most important person being toyed as a plaything. Now the game of the family falls into depravity's hell begins..... (Source: Visual Novel Database)

Oujo & Onna Kishi W Dogehin Roshutsu: Chijoku no Misemono Dorei

Based on the erotic game by Pin-Point. The Kingdom of Elstein... A flourishing land with a history spanning over 1000 years. This grand nation rules over half of the continent. Noble born first princess to the Elstein royalty, Elize, loves her subjects and likewise, in return, is loved back. With Anna, her guardian knightess and childhood friend the two were living happy peaceful lives... However, Elize had a niggling worry at the back of her head. That was, that there was a discrepancy between the Elize which her citizens desired and Elize's TRUE inner self. You see, on the inside, Elize is a timid, mentally fragile girl, with a over active, anxiety inducing sense of self consciousness. This gap... between ideal and reality, naturally causes her stress and slowly but surely, the desire to show her inner self grows stronger... At first, she was satisfied with just walking around naked. But she craves for more thrill, more stimulation, more pleasure... Her desire for exhibitionist pleasures know no bounds and stirring up a storm of depravity, her best friend and the kingdom itself, is drawn into a whirlpool of salacious self destruction... A vulgar and exhibitionist themed story featuring a once pure princess, her proud knightess and unlimited levels of corruptive lewdity in a medieval fantasy setting! (Source: DLsite English)

Seika Jogakuin Kounin Sao Oji-san

Seika Girl's Private Academy has a dark secret. All of the girls at this school are from prestigious families and thus have never dated... even once. So the school had to come up with a way to make sure they didn't get too overwhelmed by their urges...

Otokonoko ♂ Delivery

Work long enough and hard enough at a job, and you will succumb to the stress. On top of the stress of the job, our protagonist has been asked to work at the Head Office - falling deeper into depression. It is only a brochure he picks up as he returns to his hotel telling him of an online delivery service that "one can simply not miss" that lifts his mood. Once you seek the entertainment and pleasure of these delivery boys, their cute charm makes you unable to resist. (Source: Nekopoi and Has Been Translated and Edited)

Joshi Luck!

A guy by the name of Kuroda-sensei is given a job as the new coach/adviser of the girls lacrosse club in an all female school called Felinus Academy for Girls but... it turns out to be a bumpy ride as he encounters sex fiends among the squad, and his adventures begins as he attempts to gain their respect as adviser.