Haruka Asahina is a 16 year old high school boy racing F4 cars while staying at Komaki Motors, an auto-body shop in Shizuoka prefecture. Komaki Motors is a family-run shop that regularly competes in F4 with the team comprised of: owner Futoshi Komaki who is also a mechanic, his son Kotarou Komaki, and now Haruka Asahina. Because this is a family-run business, they receive no support usually from any major manufacturers. Haruka Asahina boldly confronts the top teams head-on to get the attention of these revered companies in hopes of making it to the podium himself.<br>
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(Source: Crunchyroll)

Obaa-chan C