Romance is discussed, and there's some light flirting.

None, but there is romance without nudity or explicit innuendo.

Most violence is comical, but later gets slightly harsher with minimal blood.

Shit, fuck, dick, slut, and cock are used sparingly alongside lesser profanity like ass.

A character is being called a slutty little cocktease.

Alcohol and tobacco use.

You can easily tell whenever a character is drunk by a reddish hue on their face, particularly around the nose area.

The death metal sequences can spook younger audiences, especially since most of them come out of nowhere.