Marie thinks that she is being used as a substitute fiancée for her lost sister Anastasia; due to her parents breaking her self-worth. In truth, she was the one the proposal was meant for; the sender had mixed up their names.

Cuando Rihito llega a la pubertad y se enamora, un antiguo vampiro que anhela la sangre de un chico virgen de 18 años debe proteger la virtud de su esperado manjar... a toda costa.