Otoko Ippiki Gaki Daishou

A neighborhood tough kid named Mankichi Togawa uses his fighting abilities and charisma to make friends and confront antagonists, including those involved in Japan's financial sector. The manga gained popularity among young readers and played a significant role in shaping the direction of Shonen Jump. It marked a shift in the magazine's appeal and influenced later creators. The series was adapted into an animated production in 1969 and a live-action film in 1971.