Atsushi Dōjima is a young gymnast representing the Yotsuba Sports club, renowned for his extraordinary prowess on the pommel horse. His expertise solidifies his standing as a specialist in this apparatus. Within the competitive gymnastics setting, he serves as a direct rival to protagonist Jotaro Aragaki, specifically in pommel horse events. Dōjima's involvement actively influences training and competitive dynamics among Yotsuba Sports' gymnasts.