There is a couple shown making out in the hallways, but they get interrupted.

A kissing scene shown.

Unnecessary long kiss at the end of the movie.

Lots of violence from Kung Fu and karate but no gore.

Frequent moderate martial-arts action violence throughout.

3 thugs try to beat up 2 people using 2x4s. Nothing too violent or bloody though.

A fighter boxes dirty.

Someone pulls a knife during a fight.

Brutal attacks, but no blood or gore.

Occasional uses of "shit", "ass" and "dick".

Official MPA rating: PG-13 for martial arts violence and some language.

There is a mildly violent scene which shows how the older brother dies - very traumatic for the main character of course.