Koichi Numakura is the protagonist of "A Tribute to Kenshiro". When he was a child, his mother was killed by the gangster Kimura. In order to avenge his mother, he read "Fist of the North Star" and practiced martial arts. However, he realized that "Fist of the North Star" alone could not tell him the exact acupuncture points for killing, so he became more submissive. As a result, Koichi became an excellent masseur. ......