It is the year 2031. Humankind has been replaced as the dominant species on Earth by a race of monstrous insectoid creatures known as the Blue. Sleeper Yuji Kaido finds himself thrust into this nightmarish world, suddenly awakened after 22 years in suspended animation. Alone and surrounded by Blue, Yuji's only hope for survival comes from the elite Sleeper Recovery Team, and a steely Mech pilot named Marlene…