Tsukasa is a nice, good-looking guy, but he's actually a vampire. However, he's afraid of blood, and causes Akari all kinds of problems. Then she hears something shocking from Tsukasa's father: If Tsukasa doesn't awake to his duty and life as a vampire, he must be erased from existence! For his sake, she decides to offer him her own blood for the first time, but he suddenly becomes sadistic and his ___ becomes so forceful...! She feels like she might break apart! Don't miss this dangerous relationship with a vampire!