Our friends come to a peaceful little town and wore disguises to avoid unnecessary attention. Their strange behavior roused the curiosity of Seikan, a little girl whose family runs the inn the boys are staying in. With the current rumors of young women being murdered by youkais, Seikan starts to panic when she overhears the ikkhou's strange conversation and begins to suspect that they are the youkais. Later that night, her elder sister, Seiwei did not return from running some errands.