After dinner, Taka Sawatari and his mother were attacked by a motorcycle gang on their way home. A mysterious young man saved them. The following day, Sawatari discovered that the savior was a professional racer with the same first name, Taka Toujou. During a race, Sawatari lost control while entering a curve, nearly killing Toujou. Following this incident, the two became rivals, competing against each other with their racing skills.