We see a man putting on his shirt, while the woman sitting in bed with her breasts clearly visible. She dresses up in front of the camera. (Sex is implied)

In another scene, a woman's breasts are visible from the mirror-shot, while she dresses up. (Implied post-sex)

In another scene, a woman's breasts are visible while she's in bed reading a book. They are focused upon multiple times.

In one scene, a threesome is implied.