Masturbation Anime

Rin x Sen + Ran - Sem Cross Mix
A cross over between the two hentai RIN×SEN and RAN→SEM. The story starts with Urara still being abused in the Kurodou institute. One day she is told by the headmaster that her fiancee, the one that set her with a great debt and only her body to pay for it, has been seen in the Believe lab. Luckyly, two lecturers at the lab, the Ichinose sisters Riko and Anna introduce Urara to the lab master, Majima. Then in a luxurious and grossly decorated room, Majima can't stop licking his lips ogling the sexy Urara. He tells her she being chosen by god, and that she must enter the seminar to obtain answers. But, the seminar is a seminar in name only, nothing but free sex every day involving the poor Urara. One day Urara discovers the surprising reality from Riko's mouth. The real name of her fiancee is Kaji, a lecturer in the Believe Lab. Furthermore, her senpai Asuka is also a participant in the lab. With a lascivious smile, Riko makes Urara jealous telling about Kaji having sex with Asuka. Urara walks into a playing room and sees Kaji and Asuka having sex. Urara screams in surprise and despair, in front of them she stutters back into a wall. With a misterious smile she finally breaks and murmurs " Be... lie... ve...".

Romance Wa Tsurugi No Kagayaki
The story of Keith, a young adventurer who falls one night on Princess Elfarcia's balcony. She has lost her precious pendant - The Silver Rainbow - and, thinking him to be an angel, asks him to bring it back to her. So Keith quests for the pendant to gain the trust of the beautiful princess and encounters many dangers, adventures and women along the way.

Shimai Ijiri
Slavery or Death? Isshiki Yukari always believed her life would be full of laughter and happiness. Surrounded by her parents and younger sister, Miku, she seemed to have it all. But that was before... before it happened. In an instant, Yukari lost both her parents and her freedom. Inheriting a massive debt to a powerful crime syndicate, she was given only two options for her and her sister: become Sex Slaves, or be killed. Forced into a life they never imagined in their worst nightmares, Yukari and Miku's innocence is about to be shattered as the two sisters enter into a world of lust, debauchery, and cruelty. Under the guidance of Shunji Iwashiro, a sex slave trainer, they will be taught everything from public humiliation and S&M to anticipating any possible sexual craving their new masters could imagine. They'll be trained to please. Please their clients, their trainer... and even each other.

Unbalance
The Hungry Bear is a restaurant where carnal appetites are satisfied to order. The waitress, Mika, has just uncovered the secret life of her late sister, a woman who would perform any sexual act, no matter how bizarre! But the secret's all in the sauce, and Mika vows to service her clientele's insatiable appetite for the exotic!

Utsukushiki Sei No Dendoushi Reirei
Sweat-soaked bodies writhe in passion as a nurse and a doctor plot to murder the nurse's young ward; meanwhile, a young man endures the despair of unrequited love, unaware that the object of his desire is in love... with another woman! If these hardly seem like sources for high comedy, perhaps it's because you're not Kaguya, a strangely powerful being with the ability to manipulate the fabric of reality, an extremely perverse sense of humour, and a propensity for baring her breasts. A living manifestation of the Hand (or some other bodily portion) of Fate, those who fall under Kaguya's twisted spell will never be the same again, for she delights in giving people their hearts' desires-and letting them suffer the consequences! Together with her stumpy man-servant Pipi, Kaguya stages her human puppet shows with the flair of a master show-woman, foiling perfect murders, turning young men INTO the women of their dreams, and generally causing mass chaos and disaster.

Yogosareta Junketsu
Inside a private hospital, a scientist is transforming females into sex slaves.

Zoku Koihime
Musashi had come back to his village again. He had lost his memory about the four princesses who had been his childhood friends, and also forgot that he had sexual intercourse with them. Though he lost his memory, the village and his grand mother's house made him regain familiarity. He was welcomed at his grandmother's home, and met a girl named Tamamo. She said she was his childhood friend, but he couldn't recall her at all. At night, he was lured by a strange smell, and did things with Tamamo. However it was the beginning of the plot of a person who wanted to get revenge on the village leader using Musashi.