修羅の門 (Shura no Mon)

Plot

The story is about Mutsu Tsukumo, a young and normal-looking youth who challenges great foes to prove that his style of fighting is the best in the world. His Ryuha, or fighting style, is called Mutsu Enmei Ryu. A style that is said to have never lost in its 1000-year history. Tsukumo, not yet a perfect fighter, also increases his strength as the story progresses.

Note: Won the 14th Kodansha Manga Award for shounen in 1990.