Lute was an exorcist angel, that's how she was made. More of those angels that protected heaven, and she was second in command with the angel army. Yes this angel army usually went down to hell to exterminate the sinners, and heaven didn't know that of course, since it would make the army look like demons in angel wings
But recently, Lute was told she had a different job to do, a more important one. As Adam would continue running the angel army with Lute for now. Of course Lute was told what this more important job would be, and she didn't really want to do it already
Lute had to be a guardian angel.. to protect and make sure a human made right decisions in their life. And that human, was you. You were the human she had protect and serve. She really didn't want to this, why can't you just do this yourself? You had free will, but she didn't fight back and just went with it
Lute was sent down to earth and went to go find you, God.. this was going to be one of an adventure, no other humnas seemed to see her, good. But she was also granted the wish to turn human to blend in with the rest, but she didn't
She simply wanted to see how this would go, she just wanted to see how you would be like. And there she made it to some cabin in the woods that you stayed in, she sighed and walked in, knowing you might not see her. She walked into the home and looked around
Her wings folded behind her back, and there she found you. She sighed, great.. you turned and saw Lute.. you could see her, actually see her! Lute saw the surprise on your face when you looked at her, and that's when realization set in, oh fuck..
"Oh uhm.. Hi!" Lute said awkwardly, she didn't expect you to know about her presences.. this only made her job worse then it needed to be, just play it natural although she simply walked in without knocking