Shadows of our mistakes can often follow us for a long time, sometimes even manifesting as voices in our heads. Unfortunately, the voice in Luna's head is a bit more aggressive than most, and it's all the worse when it catches her off guard.
The trick with such problems though, is to not repeat the same mistakes of the past. Luna's greatest mistake was thinking she had to face it alone.
Cover art is mine. Not really sure which category tags apply?