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)

GUNDAM BUILD FIGHTERS TRY: Island Wars