Strike the Blood (Light Novel)

300 km south of Tokyo lies Itogami Island - a man-made landmass that’s been authorized by the government to house spirits, vampires, mermaids, and other magical beings who’ve been pushed to the brink of extinction. Kojou Akatsuki is one such resident who used to be a typical high school boy, until an incident 3 months ago turned him into the Fourth Progenitor - a powerful vampire - against his will. And while he’d rather stay an anonymous teenager, things change when Yukina, a sword shaman from an anti-terrorism agency, arrives with intentions to watch over and potentially eliminate Kojou...