Nao Oikawa, born in Hiroshima and raised in Tokyo, emerged as a compelling figure in Japanese cinema and adult entertainment in the early 2000s. Her notable work includes her participation in the 2018 release "Kamen Rider Build: Birth! Bear Televi!! VS Kamen Rider Grease!" which has become a sought-after title for collectors of tokusatsu films. Oikawa's unique journey from AV idol to mainstream actress showcases her versatility and resilience in a challenging industry. Collectors often seek out Oikawa's films not only for her iconic status but also for the cultural impact she had during her peak years. Her collaboration with KMP and involvement in edgy productions like "Another Side of Nao Oikawa" and "Forest in Nude" highlight her willingness to push boundaries. With numerous re-issues and compilations of her work, Oikawa's catalog remains a treasured addition for enthusiasts of both adult and mainstream Japanese cinema, marking her legacy in the evolving landscape of film and physical media.