The Demon King's army continues to fight against humans. Ike, the leader of the Undying Brigade, is the grandson of the great magician Romberg. Despite being respected, Ike hides his human identity, fearing the disaster it would cause should it be known.

Ike and Satie attempt to gather information about the next human attack. Meanwhile, Alistair from the White Rose Knights is already gathering her troops behind him...

A traitor is revealed in the Demon Lord's army, and Ike begins to hunt them down...