Welcome to the world of Little Battlers eXperience! In the near future, a boy named Van Yamano owns Achilles, a miniaturized robot that battles on command! But Achilles is no ordinary LBX. Hidden inside him is secret data that Van must keep out of the hands of evil at all costs!

Van and Hiro arrive at Eden, where they are must fight against Alfred Gordon and his formidable LBX, Zeus. Trouble arises when Eden’s two computers, Adam and Eve awaken Misère... an android that Gordon had originally planned on using to attain world dominance. It’s time for Van and Hiro’s final battle!