10 years ago, Tatsuya Yuuki befriended a boy who taught him all about Gunpla and battling. This is the story about the GBF world back then, showing Tatsuya’s backstory and progression as an amazing b...more

10 years ago, Tatsuya Yuuki befriended a boy who taught him all about Gunpla and battling. This is the story about the GBF world back then, showing Tatsuya’s backstory and progression as an amazing builder and fighter!