While Yuuki and her band of friends continue on their quest to save Takamagahara, the balance between the dream world and the real world is thrown into turmoil. When Japan's municipal water supply unexpectedly turns red, a bloody trail leads to a once-murky pond in Takamagahara, where all of the fish have gone foul. Will Yuuki's magic be enough to solve the mystery behind this crimson-colored killer?
