Story written by nyxOs! 
Read along here! https://www.fimfiction.net/story/408766/luna-vs-a-vending-machine
Picture used is here! https://www.deviantart.com/irisiter/art/Tired-Luna-492593468

It’s the middle of the night and Luna’s got the munchies. Thankfully, Canterlot Castle just acquired a vending machine for such occasions.

What could possibly go wrong?