A Valkyrie's vow of loyalty

Ellerie was two years old when Valkyrie, Aniela saved
her from a group of wretched demons and took what seemed to be like a human child under her wing as a Valkyrie in training. Now 17 years old, Ellerie's only goal is to be accepted into the group
of Valkyries that she's trained her
whole life for.
But they fear her because they've always known she was something... different, inhuman but not a Valkyrie. But even so, Ellerie does everything in her power to find a place with the Valkyries,
changing herself in the process