Swallowtail Butterfly (1996)

A few scenes featuring nudity, mostly of topless women.

A major character, Glico, starts off as a prostitute. In one of her earlier scenes, she's wearing a short negligee and shows a lot of her legs while lounging around.

A woman is sexually assaulted by an angry client.

A young woman is topless while getting a butterfly tattoo and her breasts are visible for the duration of the scene. She monologues about witnessing her mom having sex with a man. In the flashback, the couple is rolling around in bed and the man thrusts into the woman. Bed sheets cover their bodies so nothing besides her breasts is shown. This entire scene goes on for some time.

A sleazy club owner molests a young woman, but he's stopped before he can go any further.

The film has very few action scenes. Whatever violence is present is typically bloody but very quick and not much detail is shown.

A few characters are shot to death onscreen, either by gangsters or by the police.

A surreal scene of the main characters extracting a cassette tape from a dead body. Very grusome and disgusting.

After sexually assaulting a prostitute, a man is punched out of a window and falls a few stories down. He is then run over by a slow moving truck.

Depends on the subtitles. Also, the film features English-speaking actors from America or Europe among the mostly Asian cast. Some of them use strong curse words during the intense moments.

A few cases of the Asian actors and actresses swearing in broken English.

Occasional smoking and drinking.

A group of young women in a seedy club can be seen injecting each other with heroin.

The film is set in an alternate future Japan where Chinese migrants escaping economic troubles back home are subjected to cruelty and racism by the local Japanese. There's a lot of emotional scenes of the migrants reacting to their suffering in different ways and drifting apart from each other.

Ryo Ranki and his gang are psychopathic and brutal, even going as far as harassing the main characters a number of times. A few of their scenes are quite tense, but there's a balance of dark humour to lighten things up.