In a world where Gundam is a very popular T.V. show, Sei Iori wishes to be just like his father, who was a Gunpla champion years ago, unfortunately, Sei only has skill in building Gunpla, but once he meets a boy named Reiji, who has the ability to fight with his Gunpla, everything changes. Will they be able to make it to the top just like his father did?
Sei Iori is a talented Gunpla builder, but lacks the confidence to become an ...