A sky full of stars

A girl in a wheelchair made her helpless, lonely and sad, then a person comes into her life who she saw from the window of her room that overlooks his room to know more about his life and see he is lonely as her .although he sad she can saw something shine in him inside, she appears as lifeline save him from everything could hurt him, despite all of this, he doesn't know anything about her, she entered his life as an unknown person. does she will also exit as an unknown person or they're things will happen more than that?