Kick no Oni  

Demon of the Kick, Sawamu, o Demolidor, キックの鬼, Kicking Demon, Sawamura, Kickboxing Demon

A karate master named Tadashi Sawamura enters a ring to demonstrate his superiority, but he is defeated by someone who practices a new art form. As a result, Sawamura falls into a coma. Following his recovery, Endo persuades him to study kickboxing in order to regain his honor. The show is inspired by the true experiences of Tadashi Sawamura, a renowned kickboxer.