The world comes from waterland and oilland. In the waterland, where dragons live, pilots kill dragons called hequihod, though pilots die when dragons were killed and rebirth with dragons soul. Honami who lives in oilland likes meeting and chatting with Hal lived in waterland, but....

Here we go against colonial beings, which eats everythings such as organics or inorganics and earned energy from them. They will eat even if Frontier. In this galaxy ones which fight against them are one pilot movile suit(?) and huge union robots, selected suitable and gathered from huge parts, but ...