The Japan finals of the 13th Gunpla Builders World Cup (GBWC, Gunpla World Cup), a contest to determine the world's best Gunpla builders from the Gundam anime series, were held on December 6th at Gundam Base Tokyo (Koto Ward, Tokyo). It was announced that Jin's "Creation" won the OVER-21 course for participants 21 years of age and older, and he was selected to represent Japan. By combining various RX-78-2 models, the evolution of Gunpla and the trajectory of Gundam were expressed.
GBWC is an international competition that began in 2011, where participants compete in Gunpla construction, painting techniques, and ideas. There are three courses: U-14 for those aged 6 and over, U-20 for those aged 15 and over, and OVER-21 for those aged 21 and over. The competition is held in 16 countries and regions, including Japan, Australia, Canada, Europe & the Middle East, Hong Kong SAR, Indonesia, mainland China, Malaysia, the Philippines, Singapore, South Korea, Taiwan, Thailand, the UK, the US, and Vietnam.
Starting in May, regional tournaments will be held in each area to select representatives, who will then compete in the world finals on February 7, 2026.




