Joji Yuki is a loyal and selfless person at heart. This loyalty manipulated by his adoptive parent, Joji unwittingly became a pawn of Destron, convinced that the organization was benevolent. Even after the incident that turned him into Riderman, Joji stubornly clung to his ideals, convinced that revenge against Marshal Armor was all that mattered.

Eventually though, from Shiro's words, Joji began to understand Destron's true motive, recognizing the lives at stake from their evil.