Tsukasa Rokkouji, also known as Rokkoji Tsukasa, is a male character with brown hair. He emerges as a mysterious, wealthy figure known as "The Grandmaster." This identity is revealed when he offers sponsorship to rally-car driver Gen Todoroki, the offer hinging entirely on Gen's performance in a challenging race across Kenya. His actions center on facilitating the racer's opportunity under this sponsorship arrangement.