The Demon Lord's companion, Sylphy, reappears in the modern world after several thousand years. A masked man tells Sylphy where she can find the Demon Lord and she... Meanwhile, the Magic Academy is preparing for its school festival, and Ard is asked to perform in a play in lieu of their Sword King Battle Tournament while also dealing with a threat to cancel the festival. Ard and the others start discussing the play when they're interrupted by a huge commotion at the school.

Ard is feeling guilty as they stay in Lydia's villa while awaiting their deployment. Before he can shake those feelings the battle against the demons begins and Ard's group is left in charge of logistics. Ard recalls that there wasn't any major trouble in this battle, but the demon appears before them in the rear. So in order to earn their meeting with the Demon Lord, Ard...

After receiving the Demon Lord's declaration of war, Varvatos decides to take him down. Ard feels history changing around him, but he's unable to predict where it will lead. While lost in thought, the Demon Lord suddenly appears before him. Ard is shocked when he introduces himself as Disaster Rogue and reveals his true identity. The Demon Lord then offers him a proposal.

Ard squares off against his alternate self, the Demon Lord, Rogue. The two are evenly matched when the Demon Lord reveals a new fact to Ard. Lydia throws herself into battle with her resolve to be the Champion. Ard and the Demon Lord lay out their decisions regarding Lydia's salvation, the resolve of all three clashing together. After confronting his own past and facing himself, what answer will Ard choose...?