Yûki Okano
Writing
Known For

Kuroi Misa, a girl with Satanic powers, mysteriously appears in various high schools. Carrying a dagger and a heavy leather bag, she uses her powers to eliminate the evil forces that thrive on deadly sins of the human race. Her ultimate aim is to cleanse the earth and rebuild her broken family.
Eko Eko Azarak: The Series

Ultra Q: Dark Fantasy is a 2004 production, and the 19th installment in the Ultra Series that was broadcast in Japan in 2004. It is a sequel to Ultra Q, the first of the Ultra Series. It retains the same swirling effect for the titlecard, but with the words "Dark Fantasy" added underneath, the title also remains black and white.
Ultra Q: Dark Fantasy

A married couple's inexperience, sex life, family and friends is the focus of this manga adaptation. Every episode of the serial relates to the good times and bad times of being a man and a woman and the sex that comes with it.
Futari Ecchi

At a high school in Tokyo, several of the female students have been moon-lighting as prostitutes. A teacher catches onto this fact and goes about putting an end to it. Things go awry when he discovers he turns into a sex demon with tentacles whenever he gets aroused or angry.
Angel of Darkness

Jikuu Keisatsu Wecker D-02 is a Japanese tokusatsu series that aired on TV Asahi from January 10 to March 28, 2002. The series featured Kohei Murakami as Chrono Investigator Kent Kiba, who would later star in Kamen Rider 555 as Masato Kusaka/Kamen Rider Kaixa.
Jikuu Keisatsu Wecker D-02

The Internet, where anyone can easily come and go. In this virtual cyber world, a magical being with a will lives.... A strange rumor whispered among net surfers. It was a rumor that if one accessed the address "siren", he/she could experience virtual sex with a beautiful girl living in the Internet. In reality, however, those who access the address invariably disappear mysteriously. Ohtaka, who works for a computer software production company, heard this story from a colleague and at first thought it was ridiculous. One day, however, he goes missing, leaving behind a note with the address of "siren".
Siren the Ghost Story Returns

In a private school built 70 years ago in wooded areas, tragic events begin to occur. Seemingly innocent occult play by a few girls turns into a bloody fight with mystical forces.
Twilight Syndrome: Graduation

Studying music at a remote island academy, poor Mayumi (Aki Hoshino) and her classmates fall victim once more to erotic tortures at the hands of their corrupting instructors. Just in time, Kekko Kamen (Misaki Mori) takes center stage with a red mask on her head, nunchakus in her hands, and a song in her heart!
Kekko Kamen Surprise

The evil is back and this terrorizing the swim team at an all girl school. After turning the Principal into a frog monster they commence with their own brand of twisted training and punishment. But Kekko Kamen has also returned to right the wrongs and send the MGF packing once again or can she, they seem stronger and smarter then ever have been before, it's sink or swim time for Kekko Kamen.
Kekko Kamen Returns

A school that teaches young boys and girls how to become famous anchorpeople in the media. But there is something strange going in this school. The facility takes a sick pride in handing our S & M style punishments to students for the most trivial things. But there is one among them, a hero that hides her face but bares everything else in the name of justice. Her name is Kekko Kamen, all know the legend of how Kekko Kamen defeated the evil Mangriffin in a local high school, but now she's back and out to stop the evil twisted fiends once again.
Kekko Kamen New

When good-natured Mayumi finds herself at the mercy of her sadistic, panty-crazed teachers, only one brave naked soul is capable of confronting her tormentors -- Kekko Kamen! Wearing nothing but knee-high red boots and a red leather mask, this nunchaku wielding superhero gives these perverts a dose of their own medicine. Wildly cornball and completely over the top, this will have you watching with mouth agape in utter disbelief! Two Nipples Up!
Kekko Kamen: The MGF Strikes Back

Disappearances... What if a magical fairy beyond human knowledge is lurking in the shadows of incidents that could occur in our daily lives? Mysterious disappearances and slaughters in a seemingly peaceful and ordinary port town are so bizarre that all the bodies found have been mummified. Detective Junpei investigates this mysterious case. His father, who was also a detective, disappeared 20 years ago while investigating another strange case.
Siren the Ghost Story Again

This time around, the demon is trapped inside sexy but wholesome schoolgirl Izumi, but is unable to get up to its usual tricks (rampant orifice invasion) thanks to the crucifix that she wears around her neck. Out to locate and destroy the monster are a nun and a priest, but their efforts are hampered by Izumi's evil protector Sakiko, who does her best to help the girl realise her true tentacle-thrashing potential (and, in a Carrie-style side story, also settle the score with a group of nasty school bullies who have been making Izumi's life hell).
Angel of Darkness 4

A female doctor, Seiko, and three nurses are conscientiously engaged in providing medical treatment in spite of the enormous debt their hospital is suffering from. However, apart from their daily work at the hospital, they are also secretly engaged in terminating major criminals that cannot be punished under the law.
Amazoness in White

An erotic horror movie about an invisible murderer.
Luminous Insect

On her 18th birthday, Ami Nonomura wants to meet her father and brother who live far away. While searching for her brother's house, she is attacked by a thief, but is helped by Hiroshi Tazaki. They fall in love but discover that they are siblings.
Cream Lemon: Ami's Diary

Original video
Wild Touch: Pachisuro Daikōryaku

Nanako Sakurazawa plays such a sad widow.
A War Widow

A horror anthology with five stories including The Slit Mouthed Woman!
The Slit-Mouthed Woman

A young couple, stranded by a car breakdown, discovers an old hot spring inn. They quickly decide to stay there. Soon, they begin to be followed by the shadow of someone or something around them. It turns out to be the ghost of a woman who died at the inn and cannot rest in peace.