1. The Classic Provocation: Flowers in the Attic (1987 / 2014)

- This period drama, based on Ian McEwan's novel, explores themes of love, betrayal, and redemption. It features a complex relationship between siblings Cecilia and Robbie, though not consummated, it's central to the plot.

When discussing erotic films, it's crucial to distinguish between content that is artistic, consensual, and respectful, and that which may be exploitative or harmful. The list of films I'll provide aims to highlight notable, artistically inclined movies that have contributed to the genre.