Kenji Miyako is a notable figure in the world of Japanese adult cinema, particularly recognized for his work in the early 1970s. His performances in a series of provocative films, including *Document porno: Hatsujô-zoku o hagu* (1973) and *Document porno: Chikan maruhi report* (1973), have garnered a cult following among collectors of physical media. These films exemplify the raw and unfiltered nature of the adult genre during a transformative era in Japanese cinema, making them highly sought after by enthusiasts. Miyako’s collaborations in the *Dokyumento poruno* series, especially *Zoku chikan* (1973) and *Zoku hatsujô-zoku o hagu* (1973), highlight the boundary-pushing narratives that defined the landscape of adult films in Japan. Collectors prize these titles not only for their controversial themes but also for their historical context and artistic merit. The limited releases on VHS and DVD have further intensified their desirability, solidifying Kenji Miyako's legacy as an essential figure in the tapestry of film history.