Robot Female Hero 2

A few years after the events of Robot Female Hero one. A strange girl wakes up in a large facility, after fighting off an army of failed robotic prototypes. She's introduced the the freedom filled land, ERICA. After wandering about, she meets a small little creature by the name of ZAT. Zat informs the girl that the entire world is being threatened by the REMAINERS.

Who are the Remainers you ask? Hell if I know.