Oide yo! Mizuryuu Kei Land

Come to the biggest sexual entertainment park in the world, Mizuryuu Kei Land! A place where you can enjoy safe sex with everyone as much. This is where the dream can be grasped. (Source: Nekopoi and Has Been Translated and Edited)

euphoria

Based on the erotic game by Clock Up. They wake up in a white room remembering nothing— The protagonist Takato Keisuke and 6 others are locked up in these hidden white rooms. His childhood friend Hokari Kanae, classmate Ando Miyako, underclassmate Mikaba Rika, English teacher Aoi Natsuki, same year Byakuya Rinne, and classmate Manaka Nemu. While still confused about their unusual situation, a "mystery voice" suddenly speaks to them: "A game has now started. In order to escape the room, Keisuke is the "unlocker" and one heroine the "keyhole". With an assigned act, he must "use the key". After hearing the unreasonable and immoral requirements to win, Miyako gets pissed and snaps on the "mystery voice". Suddenly the lights go out. The girls scream. The lights come back on, reilluminating the white room. They can see Miyako bound to a grotesque torture device. "Anyone who quits the game will die." Her screaming begins in tandem with the electrical current. With eyes wide open in fear, she pisses and shits herself. Everyone else starts freaking out. However, Keisuke seemed to be getting aroused by Miyako’s appearance. That was his secret, his urge to assault and humiliate girls. However, Nemu could see right through him and knew. Nemu takes advantage, forcing the protagonist to submit to him as she brings her lips up to his: "This is a contract kiss." Keisuke was surprised by Nemu’s behavior but he wants to protect Kanae and decides for the sake of escaping, he will violate the others. Can Keisuke escape the white rooms and return to his normal life? Or will he hold back his own dark urges? (Source: Necrosis)

Dropout

In a school foundation there are creating new ways of learning to improve student achievement. That is for those who get a small score and fail the exam will be in the Drop Out (DO) and made sex slaves for impingement lust. And for those who get high achievement will be served free sex in a special lesson.

Making A Cumback to Early Days!

Based on the CG collection by Maron☆Maron (まろん☆まろん). The protagonist who has difficulty to interact with women because of bullying returns to his younger time as he has wished for a long time. He takes revenge by sexually assaulting Sera and her mother next door. However, he is not yet satisfied... (Source: DLsite English) Note: A live-action AV adaptation (MIMK-050) was released on October 7th, 2017.</i>

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)

Kite

Sawa is a school girl, an orphan, and an assassin. She is being controlled by a corrupt cop who gives her targets to kill, detailing to her the crimes these men have committed in order to justify their death. Some of his power over Sawa has to do with her deceased parents and the promise of revenge. When another orphan, a teenage boy called Oburi, is brought in to assist Sawa, the two teenage killers form a bond of sorts. As they heal each other's emotional wounds, they begin to dream of a life that would not be spent under the shadows of murder. (Source: Anime News Network) Note: Originally released in Japan as a 2-episode OVA, the series has seen numerous re-edits and releases that exist in several versions: Japanese Releases: • A KITE</b>, released February-December 1998 - Original 2 episode OVA. • A KITE INTERNATIONAL VERSION</b>, released July 2000 - Re-edited version combining the episodes into a 45 minute OVA and removing the sex scenes entirely. • A KITE PREMIUM COLLECTORS VERSION</b>, released December 2007 - Bundle containing both Vols. 1+2 and INTERNATIONAL version. • A KITE Special Edition</b>, released April 2015 - Digitally restored Blu-ray re-release with smaller censorship mosaic. North American releases: • Kite</b>, released April 2000 - Based off of the international version, the sex scenes are removed entirely and presented as 1 combined episode. • Kite: Director's Cut</b>, released January 2002 - Released on Media Blasters' Kitty Media (Adult) label, restoring the sex scenes, save for ~12 seconds of material involving sex with a minor, also presented as 1 combined episode. • Kite: Special Edition Uncut</b>, released September 2004 - Also on Kitty Media, restoring the previously removed footage and presented as 2 episodes like the original. For simplicity sake, we are only counting the first OVA release in this entry.</i>

Futei with… The Animation: Hitozuma Nanpa NTR Onsen - Ryokousaki de Nakayoku Tanetsuke Saremashita

Married women Kaori and Satsuki come on a hot spring trip alone, away from the hustle and bustle of their home life. As they are enjoying themselves, they are picked up by a group of boys and end up having a drink together. When they wake up drunk, they find their ripe bodies being played with and fucked. Their resistance is futile, and their body is forcibly returned to a woman's body in their room and in the bathhouse. They are made to cum all day long, and are continuously being seeded and degraded....