Learning to be human{RE-EDITED}{COMPLETED}

Klaatu is sent down to earth to try to understand humans,as soon as he crash lands on earth he meets an orphan child name Hannah.She is the only one that knows Klaatu's secret and now she will do what she can to protect Klaatu but to also teach him how to be a human,wanna know more?well then,read the fic to find out!