None of the nudity or sex is prolonged or glamorized. The skin factor is mild to moderate, considering the setting and subject.
A woman is shown trying to put a contraceptive device in her vagina. Not a close up shot, but pubic hair is seen.
A nude woman and man (a customer). We see her full frontal and butt. They have sex, she disposes of his cum-filled condom. She's then seen naked in the bathroom washing up.
Two women service another customer, we see one full frontal, the other breasts only. One of the women gives him oral, then fingers his butt. He then has rough sex with the girls.
The same woman shows full frontal with another customer. He massages her breasts. He asks her to go down on him, it cuts to them having sex. First her on top, then him. He climaxes.
A woman ties up a man to have sex with him. We see her pubic region as she straddles him. She leaves her bra on, but it's see through.
A naked man and woman kiss. Her breasts are seen afterward.
A threesome - two girls women with one man. Breasts of both women are seen. Butt of one.
Next sex scene shows man's penis in addition to woman's breasts. He massages her breasts, they kiss, he sucks her nipples and takes her panties off. We see her pubic hair. They have sex, he thrusts & he climaxes.
Another customer has sex with a woman, we see her breasts. He continually asks her to meet him outside of work.
She bathes, we see her breasts and a quick glance of her pubic hair.