![OBSOLETE](https://u.livechart.me/anime/9610/poster_image/4a88e0441e9959b72dc52f81856ce27e.png/small.jpg)
In 2014, aliens suddenly appear on earth and propose to trade humanoid robots called "EXOFRAMES" for a small price. The outstanding versatility and exceedingly low cost of the alien technology is immediately put to use in industries and battlefields across the globe. Beyond pre-existing weapons, even the existing social order seemingly become obsolete.