There is graphic sex and full frontal nudity.

A lot of violence with a mix of military grade weaponry (machine guns, tanks, missiles, etc), fantasy weapons (swords, arrows, and spears), magic, and fantasy creatures (dragons).

One character is shown to be recovering from war wounds. He has lost limbs, and his bandages are bloody. It could be disturbing for some.

Season 1 episode 11 contains scenes of the group spending time at a bar.

Some scenes contain the other worlders smoking their version of a pipe.

This anime suitable for 14 on up.

Many of the battle scenes are intense, and presented as lifelike.

Many nameless characters are killed violently.