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 going to be shut down unless it can win the upcoming ROBO-ONE tournament. Akiho and Kaito have to somehow find a hobby robot and master its controls in only two weeks.

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!

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.

In the town of Perna, famous for its weeping Maria statue, Hatchin is traveling alone and low on money. She befriends a young girl from the local circus named Rita, who is infatuated with her adult performing partner, and desperate to grow up.

Michiko and Hatchin arrive in Osso, and their bickering grows ever worse. Shinsuke, a lieutenant in the crime syndicate Monstro Preto, checks in on one of their member organizations. While out and about, Hatchin stumbles across a man named Satoshi.

As Michiko hurries to catch up with the circus, Hatchin is adjusting to life without her. A former performer, coincidentally named Michiko, takes an interest in the children with the circus. However, an investigative reporter insists they are in danger.

Satoshi tracks down Manabe, a former captain in Monstro Preto, and takes him and his family hostage. He orders Shinsuke to send the battered Michiko to him on a train, and sets about to get back at Manabe for humiliating him many years before.

In coastal São Cabal, Michiko consults a fortune teller to continue her search for Hiroshi. When Hatchin loses her shoes, and Michiko steals another pair to replace them, Hatchin takes on a job at a restaurant to pay for them, but gets in over her head.

Michiko Malandro breaks out of a high-security prison to see her long-lost love, Hiroshi. Elsewhere, Hiroshi's daughter, Hana Morenos, lives the life of Cinderella among her adoptive family, waiting for someone to come and take her away from them.

While in town, waiting on repairs to the bike, Hatchin spots an old favorite book for sale. The boy who works at the bookstore, Lenine, sees her, and starts to fuss over her. Hatchin, however, is unsure how to handle this new and unfamiliar attention.

Michiko visits her old friend Ivan to ask the whereabouts of a man named Satoshi, who might know where Hiroshi is. Thinking the task ahead to be dangerous, Michiko leaves Hatchin with Zélia Bastos at the orphanage where she grew up, for her safety.

Michiko goes to pick up the fake I.D.s she had made, but finds that she is unable to pay for them. When Michiko fails to return, Hatchin goes out looking for her, and ends up being taken in by a kindly Chinese opera singer who offers to help find her.

Michiko and Hatchin reach the tomato production plant where they anticipate finding Hiroshi. Once inside, they meet Elis, the woman who appears in the photograph with him. Michiko confronts her about stealing Hiroshi, but Elis reacts unexpectedly.

Michiko and Hatchin make their way into São Paraíso, and happen upon one of Hiroshi's old business associates. When Michiko becomes forlorn after finding out that Hiroshi had not mentioned her, Hatchin comes up with a plan to cheer Michiko up again.

Michiko and Hatchin hop a freight train bound for Goinia, hoping to find Hiroshi there. Satoshi is set up by one of his former subordinates, makes his escape aboard the same train. Meanwhile, Atsuko has plans of her own for both Michiko and Hatchin.