In today's world full of wondrous technological innovation, the unnatural and mysterious sometimes appear even more horrifying than usual. But despite how far society has advanced, the fear of the unknown always remains. The unfortunate participants in Kowabon find themselves in such a predicament, experiencing the supernatural through their everyday technology. From a frightening sight caught on a parking garage camera to a video chat that takes an unexpected turn, the victims struggle to escape that which haunts them. However, what awaits these doomed souls may be a fate even worse than death... [Written by MAL Rewrite]

After human experimentation turns Kisaragi into a cyborg, he finds himself pressured by multiple organizations: An undying convent of vampires bent on the conquest of Tokyo, and an immortal order of knights, and a group of Yakuza, sword to avenge the killing of their leader. "I might not have any reason to live, but that's no reason to let them kill me." Kisaragi will have to use his cyborg-body and his unique "blood," as well as anything else he can to make his big escape!!!

Short specials that aired on the official website.

Kou comes to a slum neighborhood in search of his elder brother Takumi and finds him to have become the head of a private detective firm. Kou is drafted by Takumi to do errands and chores in the detective firm, and they come to meet various interesting people... (Source: MAL News)