Gundam Build Fighters: 1x1

Sei and Reiji

Sei Iori is a talented Gunpla builder, but lacks the confidence to become an effective fighter in a Gunpla Battle. One day, he meets Reiji, a mysterious red-haired boy, who displays his exceptional skills as a Gunpla Fighter by defeating Susumu Sazaki with Sei’s newly constructed Build Strike Gundam.