Koji Asakura

Only Child

Set against the background of a giant newspaper company. A girl reporter on the staff of the newspaper witnesses the accidental killing of one of the top executives, whose wife is having an affair with the head of the company.

An arrogant karate master named Tadashi Sawamura enters the kickboxing ring to prove his superiority, only to be beaten into a coma by a practictioner of the new art. After recovering, his trainer Endo convinced Sawamura to study kickboxing in order to regain his honor.