A boy is being bathed by a man, than the man takes him out of the bathtub. The boy is very shy when he was naked in front of his mother. He covers his penis with hands and tells her not to look at it.
Sophie Zhang Xueying has a nude shower scene. She didn't show anything, but it clearly shows that she wears nothing during the scene (not even underwear.)
A boy (apparently the new Emperor) is lying in bed being watched over by the eunuch and pushes his covers off, revealing full frontal nudity, then lower frontal nudity.