Masakiyo Dōbashi is a second-year student at Hakone Academy and a member of the Hakone Academy Bicycle Club. He serves as the fifth member of the Hakone Academy team that participates in the second Inter High competition featured in the story. Dōbashi is a sprinter whose racing style relies on explosive bursts of speed. By his third year of high school, he refines his sprinting further and develops a two-phase acceleration technique, which he activates by channeling strong emotions into his cycling. Physically, he has short blue or green hair and black eyes. Information about his personality, deeper motivations, key relationships, and personal development is not detailed in the available material.