To become a full-fledged guardian angel, Sing must pass her Final Trial by protecting her ward, a human girl, for a month. Things get tricky when Sing discovers that her ward is in love with a demon! Worse, she stumbles upon a conspiracy that has entire worlds at stake - a conspiracy only she can stop. Can Sing pass her Trial and foil the conspiracy before it's too late?(CC) Attrib. NonCommercial