I'm looking for a manga/manhwa where one of the main characters is deaf/mute (I can't reme...

I'm looking for a manga/manhwa where one of the main characters is deaf/mute (I can't remember which) and a classmate (the other main character) befriends him and helps him get away from his abusive mother.

This is not bl but both main characters are guys. Please help me identify the title.