In the end times, the city of Eophiel is a portrait of tragedy and reality. Icar, a boy left behind after the Great Cataclysm, bears the burden of a rough and difficult fate alone. Along the way, he meets Filna, the "Daughter of Severs." The two rely on each other and stand together in an age of unending war. What unique fate does this mysterious "Daughter of Severs" carry, and how will their story end?