A twisted tale of two sisters struggling to overcome their extreme sexual desires.
- Release Date: April 24, 1970
- Runtime: 76 minutes
- Production countries: Belgium
- Original Title: Et ma sœur ne pense qu'à ça
- Original Language: français, langue française (French)
Genres: Drama
Actors: Nathalie Vernier, Diane Dee, Numa, P. De Brunet, Vanina Cranfield