The supernatural-love-comedy-mystery novel continues starring our favorite clumsy blood injector, Karin! Kenta wants to remain 'just friends' with Karin despite a strange attraction between them. So why does he get so jealous when Hidemi, a young teacher who rescues Karin, enters the picture? While Karin struggles with the meaning of her newfound 'friendship', Kenta fights his feelings of envy - and Anju and Karin's father only make matters worse!