Episode list

Several years after the death of his father, Daichi Manatsu returns to Globe's Tanegashima base and while exploring an abandoned building where he befriended a mysterious boy called Teppei Arashi during his childhood, he is entrusted with a gun-like artifact called the "Livlaster", that allows him to pilot the "Earth Engine", a massive mecha that is mankind's trump card against the alien race Kill-T-Gang, that threatens to destroy all mankind.

Assisted by the hacker Akari Yomatsuri, Daichi successfully repels the Kill-T-Gang's attack and after returning to Earth, he reunites with Teppei and Hana Mutou, a mysterious girl both Daichi and Teppei met during their childhood. Enraged with the inhuman treatment given to Teppei and Hana, Daichi decides to do something about it.