Super Robot Wars: BESM Generation
In the year SE 157, a series of asteroid struck the Earth, carrying a frightening secret: alien technology. The Earth Sphere Government has scrambled to incorporate this technology into their military systems, fearing the meteors may be the harbingers of an impending attack.
Now the year is SE 172. The United Earth Military has begun testing a new generation of Personal Troopers, and strange unknown mechanoids are activating all over the earth. The stage is set for the dawn of a new age in mechanized warfare.
Amid this chaos, the first alien invader, codenamed insectoids begin to appear…