Sutegoro: The Three Kajiwara Brothers’ Turbulent Showa History 2003 on netflix

The story of Asaki (Eiji Okuda) and his younger brother Shinji (Sho Aikawa). The elder brother has established himself as an author of sports manga. The younger brother engages in vigorous bare-knuckle brawls with local yakuza and well-known brawlers. The distance between them grows little by little, and the younger brother struggles in the shadow of his elder brother’s light. Strong enemies and incidents appear one after another.