Armin is born as an half-breed (born from the union of a communer and a noble). Despite this, he lives happily with his childhood friends : Eren and Mikasa and his kind-hearted parents : Dorothea (Commoner's mother) and Ferdinand (Noble Father). Now in Scouts Junior High, new trials begins. Requests-based chapters. Ferdinand x Dorothea and Armin as their son.

Reeling from the defeat at the hands of the Order of Heroes, Veronica allies herself with Hel, the mistress of Death. Hel gives Veronica the power of the Titans. Without knowledge of the Titans's weaknesses or biology, how will our Fire Emblem Heroes fight them off? Is this the fall of Askr and the Order of Heroes?

For the past 100 years, humans have been confined behind towering walls against horrible, enormous beasts called Titans. With the new century, a new bearer of the Falchion has come. This one plans to challenge her fate.