Sei and Reiji have no choice but to win their next battle. But their opponent in the final period turns out to be the Italian champion Ricardo Fellini, who has been undefeated up through the seventh period.

The tournament has reached its sixth period, and only two periods now remain. Sei and Reiji have earned a good point score, and are working their way into the top group.

The World Tournament enters its third period, which consists of one-on-one battles using only the original weapons prepared by the tournament organizers. Nobody will know what the weapons are until the battle begins

During the second period of the World Tournament, all the players must compete in a Battle Royal elimination match. In the middle of the fighting, the battle is interrupted by the sudden appearance of a giant Mega Size Gunpla which belongs to none of the participating players.

During the final battle of the World Tournament’s first day, a PPSE works team entered the tournament, thanks to the sponsor’s special rules. The name of its fighter is Meijin Kawaguchi, and Sei and Reiji are certain that another friendly rival has appeared.

The Gunpla Battle Championship World Tournament begins. One by one, representatives from throughout the world enter the holy ground of Shizuoka. The day before the tournament begins, Reiji skips the reception party and heads into town in search of tasty food, and there he has a fateful encounter with a mysterious girl.

Even though Reiji has never used Gunpla before, he overwhelms Sazaki’s Gunpla with his superb control technique. Sei builds, and Reiji battles. Thus the Gundam Build Fighters are born!

The end of the year is drawing close as well. When Tohru plays the lottery at the shopping district, she wins a prize--a kotatsu, not the hot springs trip. Once they finally join Miss Kobayashi in the kotatsu, the dragons start lazing around... The kotatsu ruins not only humans, but dragons too. That relaxed, lazy mood is how Miss Kobayashi's family ends up spending their end of the year and the new year. Their peaceful days off pass by uneventfully. Meanwhile, Tohru and Kanna also change into kimono for their first shrine visit of the year--?!

With the new Akiba Ban law in effect, otaku and otaku culture is being pushed out of Akihabara. Meanwhile, Tamotsu loses his powers, forcing Electric Mayonnaise out of commission.

Rokuro tries to rescue Benio but even if he succeeds, can the Twin Star Exorcists prevent the birth of Abe no Seimei's new world?

Tekkadan has finally made it to Earth, successfully introducing Kudelia to Arbrau's representative, Makanai Togonosuke. However, they will have to accompany Makanai to a parliamentary general session taking place in Edmonton.

With its path blocked by Gjallarhorn's fleet, Tekkadan attempts to descend to Earth in response to Kudelia's request. The battle against Gjallarhorn soon becomes very fierce.

Tekkadan's members attempt to leave the colonies behind and descend to Earth at last, but they miss their chance due to one last item of business in the colonies. They are contacted by someone who claims to be their supporter.

Kudelia and Tekkadan witness Gjallarhorn's brutal suppression of the workers. Seeing the true situation of the colonies, Kudelia makes a fateful decision.

The colony workers have launched a protest movement against the company that employs them. As they grow more radical, the situation finally develops to the point of a Gjallarhorn intervention. Before she knows it, Kudelia has been drawn into the heart of the uprising.

An ancient Barian deity awakens to add a terrifying new twist to Barian World’s agenda against Astral!