What did Dark Aono-kun mean when he said Yotsukubi is Kubinashi? Why were the elementary schoolers injured along the symbols written on their hands? What is the mystery hidden within the Yotsukubi-sama spell? Yuri wants to help Aono-kun cross over...and that desire leads her to make a major decision! Every time she shows love for him, she loses something. Don't miss the fourth volume of this forbidden horror love story between the living and the dead.