The Covenant (2017)

A woman's bare breasts are seen as she bathes.

A woman changes her top & is briefly seen in a bra.

A man tells another man he needs to man up & f*** a woman's brains out.

A man and a woman have sex. She is seen riding him. He then moans after having an orgasm. it is revealed that this is an illusion and the woman was really his sister. Her scarred bare breasts are seen for a somewhat extended period. She asks him if it was everything he hoped it would be right before he runs away horrified.