A class of students is summoned to a different world. They are asked to work for the world as heroes, and they decide to become hero candidates as desired. The candidates are elated to receive a special blessing. However, in a world where talent is everything, they soon come to realize the disparity. This creates friction among the students, leading to tragedy. The world allows the candidates to repeat their foolish acts without knowing the truth about being a hero. The result is a single disaster. What awaits at the end of the war caused by the existence that denies the heroes and the world is……