After being given permission from Yukihime to leave Senkyōkan, Tōta heads off to participate in the Mahora Martial Arts Tournament. But before the tournament even begins, Tōta receives word that his grandfather has been seen, and vows to rescue him. However, Tōta soon realizes that the situation is even graver than he anticipated, and when Fate offers him a proposition, he is left with a choice. Should he side with Fate to save his grandfather, or with Yukihime, who wants to kill him? Or, is there a third option...' The new sci-fi fantasy epic from the creator of Negima! continues!