This story is a sequel to Luna and the joke gift

Nightmare Night, a night full of candy, pranks, and the stories of Nightmare Moon. Cozy Glow is about to learn that you should take heed of the signs, or else face the Curse upon the candy.

Should be obvious what going to happen due to the connected story. Cozy glow poofed into spooky foal attire.
Unsure if it really needs to be teen. let me know . idk