Riku Haruma starts high school with no plans for the future. He observes people running around on the ground like monsters, jumping higher than anybody else, sprinting quickly, and determined to give it their all. He watches Akira Kariya playing rugby, a sport he used to like but abandoned owing to his physical limitations. Riku gives Akira a word of advise while he is running about erratically. Riku's withering enthusiasm for the sport is reignited as a result, and his future begins to brighten...