The day the moon left Equestria

So I thought of a what if scenario based on the movie the day without a Mexican. So the idea is that instead of becoming nightmaremoon. Luna just leaves Equestria and takes the moon and the stars with her while leaving a note saying how she feels and how she may decide to come back one day but if she feels she nothing has changed she will leave and never come back. P.S. I’m also wondering if someone already wrote something like this

Comments

[Emperor Draxgaroth]

it is actually a rather interesting idea..... and as far i know, noone has written anything like it