Just as 'Hikaru' prepares to return to the mountain, Tanaka appears before him and Yoshiki, bringing with him a harsh truth about 'Hikaru's' identity. While the two boys grapple with this new revelation and their paths going forward, the cause of all the chaos-the 'hole' linked to the other side-steadily grows. To investigate this strange phenomenon, Yoshiki and 'Hikaru' make their way to Maki's hometown, Ashidori, where more secrets lie buried