Kei Makimura is a notable figure in the world of Japanese cinema, particularly recognized for his work in the adult film genre during the late 20th century. His standout role in "Groper Train: Good Boy, Bad Boy, Ordinary Girl" (1981) has garnered a cult following among collectors of Japanese cinema. This film is significant not just for its provocative content but also for its reflection of the era's societal norms and the evolution of adult filmmaking in Japan. Collectors are particularly drawn to Makimura's performances due to the rarity of physical media releases from this period, making his films sought-after items in niche collections. The blend of explicit themes with a storyline that captures the spirit of its time contributes to the film's enduring appeal. As a result, any release featuring Kei Makimura, especially on formats like VHS or DVD, is often seen as a prized possession among enthusiasts of vintage cinema and home video history.