Mitsuhide was once best friends with Masakazu Naruse. He was even inspired by Masakazu to go to a martial arts tournament where they both flourished. He was then pitted against Masakazu in the final round of the tournament. They both fought hard, but in the end Masakazu had won, but not before receiving a round house kick to back of the neck, which was the cause of his death as Masakazu had gotten a brain hemorage, causing Mitsuhide to be the cause of his death. Which resulted in Mitsuhide to never throw a punch ever again.