Junpei Kihara, a young president of the University's wrestling club, is nicknamed "Mr. Chop". One day, on the way back from visiting the hospital after being thrown by Nobuyoshi Shinohara during practice and injured, he met Asako, the sister of Arisawa's mother, Katsuko. When they entering a coffee shop run by Asako's best friend Hisako, Hisako misunderstood them as lovers...

A mysterious black hooded man intervenes when an anti-government group who plots to steal the precious blue diamond called “Maguna no Hitomi.”

Sequel to the movie Denko karate uchi.