No sex or nudity at all

Includes fistfights, gunfights, shooting with arrows, all with minimal blood.

A corpse is seen nearly cut in half. Blood is seen on the floor

Lots of fights including fistfights, gunfights, shooting with arrows and somewhat heavy beatings. All with minimal blood or gore

The last episode is almost non-stop violence

There is a scene where a character watches as people are getting stabbed through a window. Blood sprays onto the window during this scene.

Maya's father is seen being impaled with a sword by the ronin. Moderate blood splashed but not too severe.

In the final episode a teenage girl fights the main villain and gets hit repeatedly with superhuman punches.

Uses of shit,damn and hell.

1 use of shit in Russian

a small boy wants to drink wine but he is forbidden

There are multiple formal parties in this show. People can be seen drinking wine.

Echo's flashbacks can be sad to some viewers