The story of Gundam Build Fighters Try is set 7 years after the end of the 1st series, when Iori Sei and Reiji won the 7th Gunpla Battle World Championships. Now Seiho Academy's Gunpla Battle Club has only one member, Hoshino Fumina, who is a third grade student in junior high. As the president of the club, she needs two more members to participate in the upcoming All-Japan Gunpla Battle Championships. One
day she encounters a transfer student named Kamiki Sekai, who has traveled around for Kenpo training with
his master. Then joining by a young Gunpla builder Kousaka Yuuma, their challenge to the Gunpla Battle begins....<br>
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(Source: CR)

One year after winning the Gunpla Battle National Championships, Team Try Fighters is invited by Yajima Trading to a remote island to test the company's new battle system. Sekai and Fumina arrive on the island, only to discover that Gyanko, Shia, and Minato were also invited. Yuuma declines the offer as he is assisting Mirai on a photoshoot, only to realize that he and his teammates are on the same island. Meanwhile, the Nielsen Lab experiences an anomaly with their new Plavsky particles forms a giant crystal and cause Gunpla on the island to go out of control. The Gunpla Fighters must band together to stop the crystal from wreaking havoc on all Gunpla Battle Systems around the world.
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(Source: Anime News Network)

Sekai Kamiki