Ryoko Watanabe
Career. Watanabe came under exclusive contract with Nikkatsu and made her studio debut as the lead role in an Atsushi Fujiura entry in the ama sex comedy series, released on 9 July 1982. Watanabe had a prolific Nikkatsu career, playing both lead and supporting roles in a wide range of Roman Porno films. With her athletic build, she was also a popular glamour model and had appearances in "image videos" as well as photo-books.