Geki MEN!! BACK-MAN KILLER - Scream!! Devil's Hole (2005)

An American journalist travels through 19th-century Japan to find the prostitute he fell in love with but instead learns of the physical and existential horror that befell her after he left.

After losing her parents, young flower selling Midori is put up by a fairground group. She is abused and forced to slavery, until the arrival of an enigmatic magician of short stature, who gives her hope for a better future.

A submissive hooker goes about her trade, suffering abuse at the hands of Japanese salarymen and Yakuza types. She's unhappy about her work, and is apparently trying to find some sort of appeasement for the fact that her lover has married.

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 Jujinkai (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.

Jubei is a masterless ninja who travels the land alone, lending his services to those with gold—or a worthy cause. His fearsome abilities have served him well, but a plot to overthrow the government threatens to end his wandering ways—and possibly his life.

Akira is just another normal kid in modern-day Tokyo, until an old friend of his, Ryo, shows up and turns his world upside down. Akira learns that there is an upcoming war of demons on humanity and he has just been enlisted for a major tour of duty. But the only way to fight a demon is with their power, so Akira and Ryo risk a dangerous ceremony in an attempt to create humanity's only hope: the powerful Devilman.

An anime-obsessed young man fantasizes about his favorite voluptuous heroines, but his sex-addled dream quickly transforms into a nightmare which threatens to consume him.

When Muraki, a porn magazine editor, watches a blue film depicting a gang rape in a school, he becomes obsessed with the lead actress. Quite by chance, whilst looking to reserve a location for a shoot, he happens to encounter her at a love hotel where she works as a receptionist. Her name is Nami and she reluctantly agrees to speak with him, and confesses that it was her in the film. Then, Muraki tells Nami that he wants her to model for him.

Saheji, a man-about-town, gets stuck at a high-class brothel when he can’t pay the bill. He makes the best of his situation by performing various tasks amidst the tumult of the end of the shogunate—but always by making sure to get a “commission” for his troubles.

Ten Years ago, Genichiro Izayoi died trying to stop the sorcerer Rebi Ra, and as a result Shinjuku became a playground for demons. And now, the day approaches when Rebi Ra will complete his decade-long ritual to plunge the rest of the world into chaos! As Genichiro's son, it falls to Kyoya to venture into the heart of Shinjuku and put an end to the sorcerer his father couldn't beat. Can Kyoya exceed his father's legacy, or will the demons of Shinjuku create Hell on Earth?