Afterlife Guardian Angel

Ahh, I'm dead.

That's what I had realized when I woke up.
Yet, oddly enough, I don't remember how I died.

Contrary to my expectations, the place I woke up to wasn't the afterlife.

Facing a little girl, I was suddenly told that I'm her Guardian Angel.

I died, so how did I become the Guardian Angel of a child?

With numerous questions baffling me, I did my best to carry out my new duty as I tried to explore my forgotten past.

What happened to me?
How did I die?
What exactly happened during the gap in my memories?

The more I learned of myself, the more the questions in me arose.

And I pray,
That the truth isn't something I'd rather not know.

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Note from Author:
I wrote this without basing on anything in particular.
In short, it's mostly imagination-based work so any widely known knowledge you have regarding angels and demons, you can just throw them out the window. Read my work with a blank slate. It's easier that way.

By the way, this is my first book so I'd appreciate some comments and reviews so I can know better where to improve myself.
That said, hope you enjoy my work~