LikeAdd to watchlistBylethA young man becomes obsessed with Byleth, the demon of incest, and it leads to an unhealthy infatuation with his sister. Release Year: 1972 Categories:Film Languages:Italian Genres:Drama Horror Director: Leopoldo Savona Starring: Mark Damon, Claudia Gravy, Aldo Bufi Landi, Fernando Cerulli, Silvana Pompili