After Akari has left for school, just as Sophie is about to go to bed, she notices that Akari forgot her lunchbox and decides to bring it to her at school. There she meets Akari's friends, Sakuya and Yuu. When she is introduced as a vampire, the horror aficionado Sakuya is keen to find out more. As she is about to leave, Sophie is stopped by a girl from the class who asks her for an odd favor.