Takao Asaga

There was once an ogre mother who gave birth to human looking child. Instead of an ogre's horn, this child was born with a sword in hand called the Onigirimaru (Ogre Slayer). He has no name and is only referred to by the name of his sword. Though he appears human, he is pure ogre. Believing that he will become human once all of his kind vanished from the world of humans, he sets out on his destiny to slay all of his kind. Even now, in the mother world of Japan, he is still out there slaying ogres.

Forgiven of her crime of looking into the past life of the one she loved, Yama Rikudou is a powerful being from the underworld sent to the human realm to hunt demons. She must eliminate the overflowing evil here in order to provide some balance to this world.

In the late 1990s, society is descending into ecological collapse and totalitarianism. Saiga Riki-Oh, a mysterious man with a six-pointed star on his fist, finds himself at the privately-owned Tokyo State Prison. Serving a term of three years due to assault, his first offense, Riki-Oh openly antagonizes The Four Emperors, four powerful prisoners that control the prison and keep the rest of the inmates in line...

Once upon a time, there was a certain family having strong influence on the rule of the Imperial Court. They had their own might called “Kidou,” and yet got hated because of the might itself. At last, the patriarch of the family was entrapped to his death, and all the family was doomed to ruin... The present day — the survived descendants of this family, now calling themselves “Kidousyuu,” schemed to resurrect their murdered patriarch once again, and the ferocious evil spell went into action.

One night, high school student Sho Fukamachi discovers a mysterious metal object. Then in a blinding flash of light, Sho finds that he has accidentally fused with the Guyver, a mecha of mysterious alien design. Now, to save his girlfriend, Mizuki Segawa, along with the entire world, Sho must become the Guyver to fight the Chronos Corporation and their biocreatures, called Zoanoids, who are hell-bent on world domination.