Ryu Manatsu is a celebrated Japanese actor and voice artist, notably recognized for his portrayal of Gen Ohtori, also known as Ultraman Leo, in the beloved Ultraman series. His work in the franchise extends beyond acting; he lent his vocal talents to the theme song for the first twelve episodes, a nostalgic melody that resonates with fans. Among his memorable performances, "Ultra Galaxy Legend Side Story: Ultraman Zero vs. Darklops Zero - Stage II: Zero's Suicide Zone" (2010) stands out, capturing the attention of collectors for its unique narrative and visual effects that highlight the Ultraman legacy. Collectors actively seek out Ryu's films, particularly those within the Ultraman universe, as they represent a significant era in Japanese tokusatsu filmmaking. The combination of his engaging performances and the cultural impact of the Ultraman series makes his releases highly sought after in both VHS and Blu-ray formats, appealing to both nostalgic fans and new enthusiasts alike.