you're 16. There is a girl named Anna in your class. She is unsociable, but polite, she has a good family, and there are no enemies, so it's strange that she is so cold

one day you decided to climb on the roof of the school to look at the stars, and then you saw Anna lying on the roof and looking at the stars, her music player, which has already become an integral part of her life, was lying next to her