Exceller's new agent, the Alien Akumania, Muerte, convinces a sadsack salaryman named Yoshida to 'Live with a giant Gan Q in order to work out his stress by wreaking havoc! But once Yoshida agrees, he finds himself in the form of a humanoid Gan Q!

Secretary Kamiyama arrives at the base. To strengthen their defensive abilities, a project that had been proceeding in secret will now be fully implemented. Hikaru is taken into custody after objecting to the plan.