If You Only Knew [ls]

An au where everyone always see Harry as a ball of sunshine. He never let his smile off his face and always make people around him happy. Little that everyone know that he is just putting on a fake smile and he's hurting on the inside. One day, Louis got transferred into Harry's school and became his music teacher. Once they meet, Louis can see through Harry's fake smile and he will try his best to help him.

Note : This was written on my old account and I decided to move it here and rewrite it by adding some new element to it as well.

Trigger warnings will be added on the top of the chapter.