Sorry I haven't found a poster for this film but I did find other related items.
A literal translation of the title:
Doctor Chieko Sex and Love Series Rewards of Extramarital Sex (1972)
Director: Taguchi Toshio / 田口登志夫
Actresses:
Maki Tamura / 田村マキ
Additional movie info: Nikkatsu (in Japanese) / IMDb (in English)
PHOTOS & PRINTS