Having grown up on his home planet watching superhero television shows, Cassiel has always dreamt of pitting his strength against the heores protecting Earth. Now that he is a general in the Imperial Army, his dream can finally come true. He sets off to Earth as an intergalactic super-villain! But Earth has no heroes protecting it in real life! So Cassiel has picked 5 humans and is currently training them to defend the Earth. With their training complete, the war for Earth is about to commence!