Sunsets Sunrise and Mistletoe

When a mentally unstable girl enters HIS hospital and becomes HIS "Special patient", will her views
on the world, change the way he sees his?
She wanted to die, he wanted to live, so she lives for him because its the only thing she can do.
Her family ruined her, and a death-like void consumes her soul, she prays he is the one to remove it but even he doubts his abilities, all he can do is try and that's all she asks.
Is it a coincidence a young girl who resembles her appears out of no where needing to be adopted?
is this some sort of sign?
read on to find out more about their journey toghther.