The Future Foundation is in ruins following the Final Killing Game and the identification of the genuine perpetrator. As one of the survivors hatches a desperate plan to rid the world of sadness once and for all, the surviving Future Foundation members must come together to prevent this tragedy from occurring. Fortunately, they are aided by a group of odd allies as they race against the clock to save their world from being altered. In this conclusion to the Danganronpa series' Hope's Peak plot, the players in this never-ending death game learn to realize the true meaning of despair, hope, and atonement.