Shoji was nineteen years old when he became a Dairanger. His greatest dream in life was to become a world boxing champion. He is very playful and comical, but he also has a very strong sense of fair play. He could only apply his competitiveness to Kazu because the others weren't interested in such. He wears his emotions on his sleeves and is never afraid to fight.

During one of his training sessions, a boy named Kenbo was captured by the Gorma. After he failed to defend him, he tries to redeem himself, and succeeded in saving him. He and Kazu were the first to come face to face with Key Jester's homicidal dolls. When no one believed him, Daigo did.

He was frightened by Ryo's father when he overpowered three of his teammates and when Kaku asked him to look after Ryo, he did so. As a true friend, he was determined to protect him.

Shoji's personal opponents were the Three Gorma Stooges, who loved to play games and he taught them by example to put the urge to concentrate on their moral fiber above the need to cheat to win.