[Crossover][Alternate Universe]
Author: BillyColt
Description: Upstart is excited. His mother has hired a unicorn for a party. It will be so delightful to see a unicorn performing magic. It's sure to be fun for the whole household! Of course, it's just a little fun. She's not really a unicorn. After all, unicorns don't exist.I Have a Hat
Additional Tags: Try to guess the source