Mild fanservice

Violence towards monsters and humans alike

Fran is confronted by a blue cat, she brutally dismembers him, chops off his limbs, and kills him by slicing the top half of his head off

The ratings on this should be TV-MA/R-17. Various depictions of dismembering limbs and body parts of monsters and humanoid beings, very brutal, blood is black or non-red in all scenes.

Swearing like b*tch and sh*t and used frequently in the English dub

F*ck is used sporadically in the English dub

Some adventurers can be seen drinking beer

A blue cat person describes how he use to torture and kill black cat people in detail