Boy is being bathed at the beginning of movie.

The 4th episode "Spirit 'Fifi' Appeared!": the chubby boy goes into the woods to poop and is about to be bitten in the rear by the boy vampire.

At the beginning of the movie, one of the boys on the boat is without clothes.

Bin Bin needs to poop and asks for help to remove his pants. While his pants are still gone he climbs into bed.

When the boy wakes up he is naked and has to get dressed.

After practice boys take a shower together.

There are 2 scenes with one occurring when a boy accidentally drops his pants and another when the older boy goes skinny dipping.

Brief frontal nudity when a boy's belt is taken and his pants fall down.

Dracula interrupts a boy while peeing with his pants down and his rear exposed.

A boy (4) is bathed by his mother in a sink. Full frontal nudity when he gets up.