Showed teacher my tits and helped him cum — already passed the exam?

A woman in a blue dress stands by a piano, looking bored with studying, then shifts to a suggestive pose. She performs oral sex on a man, followed by him penetrating her on a bed while she wears lace stockings. The scene continues with her on all fours as he thrusts behind her, her dress pulled up, showing her black thong and bare back.