Rattle is an E-Pandora from the Evolution Pandora Project. She is believed to be the third strongest among all E-Pandoras.
It later on revealed that having come from extreme poverty, she was forced to join the E-Pandora Project to survive.
In a world where Earth is being invaded by aliens from another dimension called Nova, the story revolves around Kazuya Aoi, a Japanese boy who enrolls at a school for genetically modified girls known ...