Lusty Sisters (1972)
Lusty Sisters aka Erotic Sisters is a 1972 Japanese film in Nikkatsu's Roman porno series, directed by Chūsei Sone and starring Keiko Tsuzuki and Akemi Nijō.
More at Wikipedia.
Director: Chūsei Sone
Distributor: Nikkatsu
Release date: November 29, 1972
Running time: 73 min.
External links:
IMDb