TV anime adaptation of Motomiya Hiroshi's manga "Otoko Ippiki Gaki Daishou" about young gang leader and all the trouble and fights his gang gets into, serialized in Weekly Shonen Jump.<br><br>
(Source: AniDB)

This monumental manga became the driving force behind Shonen Jump, the tough kid boss of the neighborhood, Mankichi Togawa, uses his fighting skills and charm to find friends as he takes on the bad guys and the big shots who control Japan's financial world. This series, which was followed enthusiastically by the youth of the time, blazed the trail for a new class of readers. This work embodies the spirit of the magazine Shonen Jump. It had a major influence on the authors who followed. In 1969, it became the first Shonen Jump work to be turned into animation, and in 1971 it was turned into a live action film. 
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(Source: Weekly Shounen Jump Exhibition Vol.1 Catalog)

Kaiunji no oshou