Later several boys (8-10), including the twins, are seen skinny dipping.

Later one of the twins removes his clothes to swim after his hat which has blown into the water.

Boy (Akihiro Tomikawa, 4) bathing in warm pool.

A 6-year-old girl stands naked in the living room for a few moments. Then her mother puts her panties on her.

There is only one scene with full frontal nudity. It's in the latter half of the movie when one of the older girls (Bérangère Haubruge, 13) is sitting in a metal tub in the bathroom. She gets out, looking at her reflection in the mirror and as she stands you get a fleeting glance of her completely nude.

The boy (Goh Watanabe, 6) bathed by the mother.

Boy (12) jumps into a japanese bath with 6 other men.

Yuta (Keisuke Funakoshi, 10) takes bath together with his grandfather. Rear/brief frontal nudity.

Sazuko's sister (Mami Okamoto, 13) is topless with him in a river.

In a scene were a "new" boy is being trained by getting whipped across his back, the male pimp has a flash-back to his own childhood experience. You see a very fat man (frontal nude) slaping the boy to get him to perform oral sex on him.