It's been 25 years since the apocalypse, when the world we knew changed forever. It was then that terrible monsters appeared and some of humanity evolved to fight them.
Seraphine a 18 year old citizen in Newber, was living a peaceful life with her parents, learning at the Academy, to get a nice job within the government. At least, until everything turned for the worse and she ended up as an Evolved in a destroyed city.