Whisper (2015)

Both are chinese language films with a boy who is being bullied at school and at home.

-School bullying
-Imaginary friend
-Physical abuse
-Bullying victim gets fed up and takes drastic action

Both depict quiet teenage boys who struggle with loneliness and survival.

Both depict extreme cases of a teenage boy being bullied by his classmates. No one helps or believes them, and even their own mothers abuse them from time to time.