Muv-Luv Alternative 第二季

This is a story of human bonds forged in a world pushed to its limits. In one of the countless parallel worlds existing across time and space, humanity has been fighting for decades against extraterrestrial life forms known as "BETA," piloting humanoid weapons called Tactical Surface Fighters (TSFs). Faced with the crisis of extinction, how will humanity survive under such cruel and relentless fates?