Ryouji Sai is a celebrated figure in the world of Japanese cinema, particularly known for his impactful performances in action and wrestling-themed films. His most notable work, "Pro Wrestling Expo Part I: Green Chapter" (2008), has become a cult classic among collectors, not only for its thrilling depiction of the sport but also for its unique blend of drama and realism that resonates with fans of both cinema and wrestling. This film, often sought after in its original DVD release, showcases Sai's dynamic range and commitment to authenticity, making it a must-have for any serious collection. Collectors are particularly drawn to Sai's work due to the limited availability of his films in physical formats, especially in Western markets. The scarcity of "Pro Wrestling Expo" editions on VHS and DVD has solidified its status as a prized possession. Additionally, his involvement in the film has sparked interest in the history of wrestling in cinema, further enhancing its appeal to those who appreciate both film history and the evolution of physical media.