Luna

She is your best friend and you are together in school, kind , helpful , you like talking with here , but you started feeling that there is something wrong with here and she looks more bad everyday but trying to hide that , you don't know that she had strict parents and she is depressed now but you will try to find out what the matter of here ( you are a boy , you both are in the last year of school, you both had 17 years old , you are her best friend for now)