y/n childhood best friend move to seoul and left her behind. 6 years later they meet each other in a cafe shop. are they going to remember each other or not

A story about one girl during highschool who gets bullied by her best friend since birth in highschool. He loves her but he doesnt know how to tell her.

Maybe I, I can never fly~ The voice is mesmerizing.... I walked towards the source of the voice.