Vampires might be weak to sunlight, b but even they can live in modern society thanks to the night shift! Yura Toraki is a young vampire working graveyard at a convenience store in Ikebukuro. One day, he saves a woman named Iris, who turns out to be a member of the Dark Cross Knights--an order of exterminators who target occult creatures! Suddenly, Yura has found himself living under the same roof as his should-be nemesis. Can the unlikely pair cohabitate in peace, or is this a bloodbath waiting to happen?