Shinozaki Mikoto is a shy, short 15-year-old high school sophomore who is frequently bullied at school. Fukazawa Yuki, the girl he admires, happens to discover a tremendous strength of heart behind his timid exterior. To help promote the school's newly formed cycling club, she introduces cycling to Mikoto and attempts to persuade him to join, as she is fully convinced that his unique inner drive makes him a promising cyclist. How far will cycling take Mikoto, not just materially, but in his personal growth? Included one-shot: Volume 15: Over Drive (pilot)