After escaping the world that depicted a despair-filled future, Miharu uncovers the pasts of his father Touma, Knecht, and Drosselmeyer. With renewed determination, he ventures back to the basement of the Santa Claus House to save his mother, only to reunite with a certain someone... In this perilous journey, he encounters the final two Reindeer, Dancer and Prancer, and is entrusted with a new mission. The war for Christmas intensifies in volume eight!