Public Sex Anime

Choujin Densetsu Urotsukidouji
Legend has it that the human race is not the only dominant civilization living on Earth. Two other races exist in this world: the Makai (a demon race) and the Juujinkai (a half-man, half-beast race). Once every 3,000 years, a supreme being known as the “Choujin” (Overfiend) will emerge and bring balance to all three realms on Earth. In present-day Japan, after 300 years of endless searching, a Jujinkai named Amano Jyaku has discovered the presence of the Choujin inside high school slacker Tatsuo Nagumo. But now, Amano, along with his sister Megumi and their sidekick Kuroko, must protect Nagumo and his new girlfriend Akemi Ito from the Makai, who believe that Nagumo is not the Choujin, but an evil entity bent on destroying all living beings on Earth.

Magical Twilight
Tsukasa Tachibana is just a regular guy... until the day he is selected as the test subject of three witches undergoing their final exams. The first witch is Chipple. Her task is to make Tsukasa like her. The second witch is Irene. She is assigned the same task, except Irene believes that the way to Tsukasa's heart is through carnal pleasures. And so Irene tries to get Tsukasa to do it with her at every opportunity. The third witch is Liv. Her assignment is to kill Tsukasa. It's an all-out competition between the three witches, and Tsukasa is the prize!

Ran - Sem
After the disappearance of her sister and finding out she had joined a suspicious enlightenment group seminar, Riko enlisted herself into the course to find her but the only way to reach the same course as her was to rank up and the only way to do so was to help others release... that being through sex.

Sacrilege
A carnal cult uses illicit drugs to transform men into sex-crazed monsters. Police partners and lesbian lovers Atsuko and Kei are investigating a shady drug deal when they stumble upon the shocking truth. Can our frisky friends interrupt their love-play long enough to cuff the criminals?

Shin Angel
Shizuka only had a week before her family had to move. It was a difficult time for her, yet in that week she met a boy named Kosuke who befriended her. Twelve years later, the 17 year old Shizuka returns to Tokyo in order to find Kosuke. What she find is that Kosuke is now a terrible lecher. But still, she holds out hope that he can solidify the flashes of decency that he shows (when he isn't getting it on with other girls in a variety of bizarre and comical situations), and commit himself to her.

YU-NO
Takuya's father died during an accident while he was doing research. Worried about his young stepmother, Ayumi, Takuya follows her to Ken point. Watching her and her best friend, Mitsuki, from behind a rock, a sudden flash of light turns into an unearthly beautiful woman. The mysterious woman slips a ring on his finger, and Takuya's travels into a parallel world begins. This ring is the key between Takuya and his different realities.