Shinta Mizumura is completely surprised when the school's most beautiful girl, Kishimoto Ririsu, makes the first move to get physical with him. As he's not popular or wealthy, he can't understand why Ririsu is attracted to him. However, he quickly learns that Ririsu is a vampire and is willing to go to great lengths to keep her identity hidden. As their relationship deepens, Ririsu struggles to keep her true self hidden. When important people in Shinta's life, like his childhood friend Makimura Chizuru, become involved in the chaos, secrets are revealed.
