Upon getting lost in the woods while looking into a rumor about a doll-like girl, Akari Amano is rescued by a vampire named Sophie Twilight, who takes her to her home to spend the night. As Akari becomes attracted to Sophie and starts coming over every day, Sophie attempts to scare her off with her strength, only to impress her more and ultimately become friends with her. Later, Akari decides that she wants to move in with Sophie, who eventually accepts thinking it'd more fun with Akari around.