None.

A female character mentions sneaking off with a man to a barn and "laying in the hay" together, though this is not explicit.

As far as fighting goes, there's nothing objectional.

As far as the gore goes, there's nothing objectional. But one of the deaths in the movie is incredibly bloody. Blood explodes out of a mans chest and he dies in a pool of his own blood.

Mild swearing depending on the translation.

Drugs: None

Smoking: None

Characters drink a lot of sake.

The fights can be a little intense.