Based on the game by Cocktail Soft.Collin, a relatively noble but ordinary man - finds himself lured to a cave by a dream in which a beautiful girl named Feelia appeared before him. Even as he was warned off by the elder of his village, he still feels drawn in... and with the arrival of a beautiful adventurer, and just a trace of seduction... in he shall go.But what lies in wait? And what of the mysterious girl who appeared to Collin in his dream?

It began centuries ago, when the Miroku ninja clan made a deal with the forces of the underworld, leading to centuries of struggle between rival clans. And now, after more than 600 years of peace, the denizens of the underworld are about to get a new boss.Now, 18-year-old ninja in training Midou Miko is entrusted with the family business: making sure that sex-starved demons stay out of humanity's way! What does a ninja do? Fight, with every battle skill and sexual sorcery she can muster!

19 year old ninja Midou Miko's fortune predicts that she's about to fall in love when an unexpected downpour throws her into the arms of 20 year old Hidemasa -whom she immediately recognizes as the man of her dreams!Poor Miko must not only stave off the jealosy of her friend, 19 year-old Fubuki Kai, but is forced to put her fantasies on hold when she learns of the ancient and mysterious 'male' and 'female' flutes which are wreaking havoc on her parents and women on Earth. Suspecting that the new man in her life might know something about the flutes, she must enlist his aid, or perish!

Midou Miko is back, and as fresh and feisty as ever! A deadly sex ninja trained in the carnal arts, Miko is hot to deal out heavy martial arts mistreatment to any demon who threatens her. Who is the stronger sexual slayer, our hedonistic heroine, or the preternatural perverts of the underworld? It's time for Miko to show these supernatural sex fiends who wears the pants in this business... no one!

Based on the erotic game by Tinker Bell.Three students are in a school late at night fighting supernatural enemies. As they are about to leave, they get attacked and trapped. Based off the Inyouchuu game.

Based on the manga by Nakamura Nishiki.An underground society lies beneath the surface of Tokyo. This society has kept silent for many years, but now, they are on the move. They are kidnapping the four micos, Hinomico, Mizunomico, Kazenomico and Tsuchinomico, and use their powers to awaken the long forgotten "God". To stop them from awakening this god, a group of government special agents is dispatched to get hold of each mico and protect them before they reach them. Why is the secret society trying to awaken God? Who are these four micos? Who are these special agents? The long forgotten legend is awakening from the depths or darkness.

Based on a game by Colors.In a certain town, there were consecutive phantom assaults. Because the incidents were extraordinary, there was a rumor that a ghost or supernatural creature caused them. The students in Akitoshi's school were frightened. One day, an unknown girl appeared in the school. However, all the students except Akitoshi thought they had known her. Feeling strange, he shadowed her in order to investigate her but he lost sight of her. At that moment, he heard the scream of a woman from the nearby material yard and went to the place where the scream came from. There he found the beautiful girl of the school, Mikage. Mikage was surrounded by monsters Yuragi (fluctuation), and she was hanging naked. Yuragi noticed Akitoshi and began to attack him. Then, the fighter, Ai, appeared and cut them down.Akitoshi stared at Ai. What was her true character, an enemy or an ally?

Ai, Rin, and Meg are magical soldiers who battle the evil Yuragi infesting the streets at night. The usually solitary Yuragi, attacking girls at random, have been collaborating towards an unknown goal. In the center of it all is Shin and his daughter Mayu, who Rin gave birth to after he raped her.

The skill of sword-fighting is known to two tribes, the Tribes of Light, which consists of humans living on the world's surface, and Shadow, mostly part humans, part animals or monsters living in an underground city, who also seem to age at half the normal speed of the Light tribe. The two tribes lived in peace and harmony, their domains separated by the Words Worth tablet—a huge monolith slab erected by a guardian spirit. Although the tablet has writing on it, neither Tribe can read the text. One day, Words Worth was mysteriously destroyed by an unknown entity; its component parts scattered among the domain of the Tribes of Shadow.The two Tribes blamed each other for the tablet's destruction, and started a war that has been on-going for 100 years.Astral, prince of the Tribe of Shadow, desires to become a Swordsman of Shadow but his father, King Wortoshika, forbids him to do so. He is engaged to Sharon, a beautiful swordswoman who generally like Astral but wishes he was stronger.

Based on the adult PC game by Silky's.

The legend has survived for generation. The Words Worth tablet, which will unlock the secrets of the Universe for the one who can decipher it, has been shattered. The warring tribes of Light and Shadow blame each other, and their accusations lead to all out war!Astral, the undisciplined heir to the throne of the Shadow Forces, lusts for his bride-to-be, Sharon. But Sharon, an accomplished warrior herself, feels her body drawn toward Caesar, the Shadow Tribe's bravest swordsman.Sharon battles alongside Caesar during an assault by the Light Forces, and her ferocious beauty captivates Sir Fabris, the leader of the Tribe of Light. Fabris' army loses the battle, but he vows that he will one day get Sharon into his bed, the hard way, if necessary.Meanwhile, Astral takes his sexual frustrations out on Maria, a Light Tribe sorceress who has been taken captive. As Astral penetrates Maria, Sir Fabris prepares to launch a penetration of his own: a full-scale attack on the Tribe of Shadow!

Valkyries are virgin warriors of the Norse god, Odin, and they protect the humans from demons of the outskirts. Yet the demons have found the Valkyries' weakness after the betrayal of the goddess, Freya, to become a sex slave. Thus one Valkyrie was made a sex slave after being threatened that her kinsmen will share the same fate if she did not submit. With the castle taken over, the demons challenged all of the men to impregnate her, if they wish to live...

Dr. Yamagishi was expelled from an academic society because he had tried to make a human clone. Next theme of his study was a new human species “Cambrian”. He made himself a test target. However, he evolved into a new species of human and began spreading his genes through the scientific population, testing the affects of this "Cambrian" DNA on different types of people.

In a world where demons lurk behind every shadow, ready to ravage any woman who crosses their path, murder and bloodshed are a way of life. A team of feisty female fighters known as the Crimson Lotus is humanity's last hope for survival. When tragedy strikes and one of their members is slaughtered, it's time for the Crimson Lotus to destroy the demons at their source, and bathe the underworld in the blood of vengeance!

Angels and demons had fought over a long time to see who reign supreme. In order to bring closure to this feud, an angel named Sera and a demon named Firika were sent to the human world to finish this competition by contending for the love of a human named Yamato. Thus, Sera and Firika compete to for Yamato's love and the supremacy of their entire race, through any means necessary.