A Japanese that has no fame, rises to the NBA—. The protagonist, Takamido Hai, who's challenging for a spot in the NBA, as if a powerless Japanese would be good enough... However, he never knows when to give up, and soon, with his reckless mindset, climbs over walls called races, and leaves a mark on NBA history—. His dream is to become an NBA player, to become a world's top player, and to meet his missing father! He steps into the door of the NBA, Las Vegas' Summer League!