It’s been a few years since the Kaiju Emergence, and humanity has barely been hanging on from the humongous rampaging monsters. But they managed to beat just one - an Ursa Kaiju. After several arduous years of studying it and harvesting its body, humanity finally has a way to fight back against the Kaiju…

You walk into a top-secret gene-splicing laboratory, and are greeted by a human girl with a warm smile on her face and big, fluffy bear paws for extremities.

“Good afternoon, sir! You must be my new commander. It seems the genetic experiments were a success! We finally have a weapon to fight the Kaiju - me! Nephi the Kaiju Girl, at your service!”