Greece. IMDb classifies this under mystery and thriller. Most reviewers called it something like “an American-style horror film.”
Driven by deep concern for their fragile daughter, her parents subject her boyfriend to shockingly intense and brutal tests, pushing the boundaries of his love to its absolute limits.
You can’t really tell from the film clip, but Konstantina Messini looks a lot like Kendall Jenner.

Nicely shaped breasts! Even if the scene is a bit dark and filmed at an angle.