A young shy and timid but being known as Ponyville's best model kit builder that earn the name "Kit Builder", felt an empty pony with no cutie mark and friends to meet but holds a wish to meet his idols, the Mane Six. While he continue to build more of model kits, he stumble upon a new model kit shop just in the out town of Canterlot with a new model kit never seen in Equestria- bipedal humanoid like robots called Gundam or "Gunpla" for short.
When he receive his first Gunpla, HGBF 1/144 scale Build Strike Gundam from the Shop Keeper and build it here, he then taken to a simulated battle with a technology far from advance that many other ponies ever seen as well as a mysterious particles that he somehow expose to "create" a cutie mark for him and by meeting two particle like spirits clones of the original builders, he now aim to not only become a Gunpla Meister but to create his "friendship" through battles in the Underground Equestria Gunpla Battle World Tournament!!