Not actual nudity, but some implications.
The male lead is sexually promiscuos.
A man and a woman in a hotel room are in bed, kissing and flirting with each other until they are interrupted by the arrival of a bellboy. While the man is shown shirtless and barefoot, the woman is clothed.
A man surprises a woman showering. Nudity is only implied and she quickly wraps herself in a towel.
Man wakes up shirtless next to a sleeping woman, after they had off-screen sex.
As is evident from several scenes, the protagonist always sleeps shirtless, only wearing his pajama pants.
In two different scenes, a female dancer in a nightclub is briefly shown seductively dancing in skimpy clothes.