None.

Two male characters are seen showering together. Nothing is shown.

A teen boy and teen girl kiss.

Infrequent scenes of bloody violence.

Many scenes of people dying from heart attacks, which are not particularly graphic.

Infrequent use of mild profanities.

Several uses of "damn", "shit", "hell", "ass", and at least one use of "asshole" as an insult.

None, aside from the mention of criminals selling drugs.

The series is overall very intense, but not too graphic with the exceptions of the scenes listed in Violence & Gore.

The shinigami Ryuk has a very frightening appearance.