Gundam Build Fighters

Sei and Reiji have now witnessed the overwhelmingly superior power of Tatsuya Yuuki's Zaku Amazing. To prepare for the day when he'll face Yuuki again in the championship, Sei secludes himself in his workshop to complete the Full Package equipment for his Build Strike. Meanwhile, Reiji goes out into the city at night and heads for a certain place—a store where men with years of Gunpla experience meet night after night to fight battles. Reiji challenges the men just for the sake of combat practice, and easily defeats his opponents. But then Ricardo Fellini, an Italian Gunpla battle fighter, appears before him! And on the day of the championship, Sei has somehow completed the Build Strike, but Reiji is nowhere to be found...