The endless, bloody clash between vampires and vampire hunters was the only thing Ginka Shijunana had ever known. But when their war finally ends, Ginka becomes a high school student and hits it off with the fashionable gyaru Ruka Moriki!

Nine-year-old Kiri leaves his sleepy village and sets out to make a living for himself in a seaside town. Its streets lead him to a guild of quirky adventurers who take Kiri under their wing and watch over him as he grows and overcomes challenges.