In an era of endless war between humanity and the Demon King's army, two sisters—Else and Jenny—live in the shadow of their brother, Terra, the Hero of the Sun and humanity's last hope. But everything changes when Terra is defeated by the demon forces. Branded as the kin of a "disgraced hero," the sisters are cast out from their homeland, condemned by the very people they once protected. Just as all hope seems lost, they are unexpectedly saved… by a demon!? A gripping revenge fantasy that questions the meaning of true justice!