Office Lady Rope Slave
Two assistants to an S&M photographer decide to practise their master's art on their own. They convince a young woman to pose for them and subject her to bondage and torture during the photography session. After their work is finished, the three go to the home of the young woman's ex-boyfriend and attack him and his wife.
Directors: Katsuhiko Fujii
Writers: Oniroku Dan
Homepage: https://www.nikkatsu.com/movie/25806.html
IMDB: tt0225465