A transfer student only just arrives and is confronted by the school gang. One by one he defeats the gang members and challenges their leader to a fight. Each 10 minute episode aired Monday through Saturday.<br>
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Note: Due to it never getting any releases outside of the runs on TV, all of the 156 episodes apart from the OP has become lost media. 

Chuuji Akagi has just transferred to a new school and soon discovers it's overrun by a youth gang. Akagi has a strong sense of justice and fights the gang leader through various sports in order to protect the school. As he wins, he slowly begins to reform the school.

Teruo Aoki