In the year M.C. 0092 in an intergalactic realm known as Triangulum, there are twin brothers, Apollo and Ares and a younger sister named Athena, who are the Light siblings owns a failing interstellar salvaging business on Planet Myrrth to help finance their friend Saya. Their luck goes south when they meet a goddess Sylveene as she bestows Apollo to transform into the Full Metal Specter in order to take down the evil Astramen from stealing the life force of the denizens in Triangulum.