Fire Emblem: The Masked Man is a live-action movie based off the game Fire Emblem: Awakening.
Chrom and Mijami face off an evil dark mage named Validar. After his defeat, Mijami is overtaken by some mysterious force and kills Chrom.
Mijami awakens in a field and sees Chrom and the rest of the Shepards, which consists of Lissa and Fredrick. Mijami is unable to remember any of her past beyond her name and Chrom's.