Shinozaki Mikoto is a Japanese teenager living in France with no prior experience in competitive cycling. His journey begins when his crush, Fukazawa, invites him to join her bike club. Driven by a long-held dream, Mikoto pushes through physical exhaustion and various setbacks to improve his skills. As he faces new rivals on the road, his initial lack of talent gives way to a growing passion for the sport. He now trains with the singular goal of eventually dominating the Tour de France.