The entire plot revolves around sex work, rape, and prostitution.
Tomiko Ishii is perched on a barrel, topless with a towel draped around her neck, revealing her breasts. She's playfully spraying water from a hose at Yumiko Nogawa and Kayo Matsuo, causing their own breasts to get soaked.
A man is explicitly shown engaging in sexual activity, performing oral stimulation on Misako Tominaga's breast.
Yumiko Nogawa is shown suspended in the air, completely nude, with her breasts visible.
Women's breasts and butts are briefly seen, but most of the nudity is obscured.
A man's butt is seen.
Some brief sex scenes.