Kaito and Junna set out to investigate the strange "ghost" that Kaito caught a glimpse of... but only succeed in discovering more mysteries.

Experiments with the magnetic monopole get underway, and more information from the Kimijima Reports comes to light. Details about an impending solar storm are revealed... along with a warning of a robot uprising.

Chaos erupts at the Robot Expo as Misaki starts destroying robots left and right. Meanwhile, slowly, but surely, Kaito begins to learn the truth behind everything.

The Robot Research Club is in dire straits - there are only two members and the future of the club is in jeopardy. Despite this, the club's leader, Akiho, is intent on building a life-sized robot based on her favorite anime, GUNVARREL!

Airi finds her existence threatened when major maintenance is scheduled for the IRUO. server. While Airi clings to the hope of a snowy miracle, Kaito learns more about her past.

Kaito and Frau team up to locate Kimijima Report No. 3, but it won't be any easier than last time. Meanwhile, the final, unaired episode of GUNVARREL is leaked online...

Experiments with the magnetic monopole get underway, and more information from the Kimijima Reports comes to light. Details about an impending solar storm are revealed... along with a warning of a robot uprising.

After a solar storm knocks out power all over Tokyo, robots throughout the city run berserk and attack! Now it's up to Kaito to shut down the robots and save the entire Tokyo metropolitan area somehow...

The Robot Research Club is shocked to hear that not only has Doc been rushed to the hospital, but he's also considering closing his shop. Junna tries to encourage him to keep the shop open, but her fear of robots makes it difficult. 

Kaito and Frau team up to locate Kimijima Report No. 3, but it won't be any easier than last time. Meanwhile, the final, unaired episode of GUNVARREL is leaked online...

Kaito and Misaki face off in a final showdown with only minutes left until the BHB rocket is launched.

While Kaito and friends encounter more mysterious phenomena, another solar storm suddenly hits the Earth. Meanwhile, Akiho gets the GunBuild-1 project funded and rolling full-steam ahead!

The Robot Research Club's newest giant robot, GunBuild-2, is finally complete! Meanwhile, both Exoskeleton Co. and Mizuka catch wind of Kaito's activities surrounding Kou Kimijima.

At long last, the Robot Research Club completes its giant GunBuild-1 robot! And, as people from all over the island watch, the robot takes its historic first step!

After the accident with GunBuild-2, the school's vice principal shuts down the Robot Research Club for good and orders that all of the club's robots be dismantled.

Experiments with the magnetic monopole get underway, and more information from the Kimijima Reports comes to light. Details about an impending solar storm are revealed... along with a warning of a robot uprising.