Sinopsis
Something is strange on this island... In Higanjima, a place where vampires and humans are at war, a young man named Kishijima is a resistance fighter who ends up working alongside the vampires while remaining human. Kishijima will be poking fun at the world of vampires from a human perspective! The first official spin-off of Higanjima, a story you've never seen before, is now underway!
(Source: Kodansha, translated)