There is a scene which suggests that the MC was bathing, nothing is shown.
A few scenes have flirting in them, but it can go unnoticed
Violence & Gore
Mild
No gore is seen in the movie, but the main characters go through arduous task and stumble along and get hurt in the process, with small amounts of blood being spilled during one of the set pieces
Profanity
Mild
There is infrequent use of mild language ('crap', 'piss', 'damn', 'hell').
A few uses of 'damn' and 'crap', but nothing serious.
Alcohol, Drugs & Smoking
Mild
The minor part of the second act is set within a bar, with a few minutes spent with patrons drinking.
A character is seen smoking throughout the entirety of the third act.
Frightening & Intense Scenes
Moderate
Several scenes of peril involving the main characters getting into dangerous situations.
The main character (Suzume) has a sad backstory which is heavily involved into the plot.
The film has a much darker tone to Shinkai's previous works.