Mikaela Hyakuya hears a rumor about a noble vampire who will take a human's blood and give them food or other items in exchange. And so, he meets Ferid Bathory.... more>>

In the meantime, Crowley Eusford recalls his human life when he participated in the Crusades of the 13th century and later began teaching swordsmanship. A blood-sucking serial mu*derer preys on the prostit**es of his town, and he and encounters an eccentric wealthy noble named Ferid Bathory while working on the case. <<less

Kurenai Shinkurou is a high school student who works as a dispute mediator. One day, he is given the job of protecting a young girl... more>> by the name of Kuhouin Murasaki. He must now live with the young girl and act as her bodyguard. <<less

The Security System that Seals the Savage Science Smartly by its Supreme Sagacity and Strength... more>>

9S is set in an age of science, but in a too distant future. The Mad Scientist, Mineshima Yujiro, disappeared several years previous to where the story begins. The inheritance he left behind, the technology and objects he had created, were given the codename ‘Legacy’, and are highly sought after by government agencies and terrorists, for reasons both good, and....... not so pleasant. One of these ‘objects’ he left behind was his daughter, imparted with a mental calculating capacity that dwarfs supercomputers, combined with her physical body, which makes for a devastating combination. <<less