Shunta Sekiguchi, 14 years old, is a junior-high boy in Hakodate with a yearning to ride a racing bike. However, he grew up without a father, and Shunta, who lives in poverty with his mother, is treated as an "outcast" when he tries to join a practice ride on a kid's bike. Then he meets Iwakuma, an old man who runs a bicycle shop, and with help from the warm-hearted Iwakuma, Shunta's summer has a goal: the "Tour de Hakodate." A boy reaching for his dream, and an old man trying to get his dream back, together in a bike shop. A story of "miraculous summer." (Source: MangaCross, translated)