There's no sexual content in it, except in one episode in the fourth season.

In this anime, there is a lot of conflict and violence between the Seven Kingdoms in China.

Much is said about her as a prostitute to the mother of the King of Qin in Season 4, and there are many other obscene words.

And in wars they often drink alcohol at night at rest and even in kingdom parties in a moderate manner.

There are scenes of drinking alcohol in wars as well as in some ceremonies.

There are too many shocking scenes in terms of the death of many characters and extensive information in the anime about some things.