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. The series is loosely based on the real-life exploits of champion kickboxer Tadashi Sawamura.
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(Source: Anime News Network)

[Wiki (jp)](https://ja.wikipedia.org/wiki/朝倉宏二)

Paulo Pinheiro was a Brazilian actor and voice actor.