After taking a kihei as his Bride and overcoming the massive invasion known as the Gloaming, Kou Kaguro has finally earned some peace for himself and his friends. But as they take in the festival commemorating this hard-won victory, the unthinkable happens—Kou is murdered. It happens over and over, no matter how many times he turns back the clock. As if that weren’t enough, Pandemonium faces a whole new threat in the form of the strongest class in Combat, the Puppets. Who really wants Kou dead, and why…?