Voices from a Locked Room (1995)

While standing in their compartment in a moving train, man and woman kiss. He then kisses her thigh and, from her expression, cunnilingus is then implied.

Naked man and woman are seen on the bed. She's laying face down and he is thrusting on top. She is seen walking around naked afterwards. Nudity includes male and female full rear rear nudity.

A man is shown bathing in a public bathhouse. Other male patrons are seen nude in addition to the male customer. Nudity shown includes full rear nudity, bare chest and pubic hair.

Two men are seen in a vicious fistfight. Protagonist is seen confused and violent.