The drama depicts his promise to his mother to become number one, and how he overcomes the hardships to achieve it. However, his mother suffers a liver sickness, needing a transplant to save her life. However, becoming her donor would be parting with his career as an athlete... A man who fought to believe in his future, and a mother who believed in her son's future and supported him. The story of the bond between a mother and her son. ~~ Based on the life story of the famous Japanese racing cyclist Miyazawa Takashi.