This story is a sequel to Five nights at Sombra's
Little Dinky is a survivor. She's battled heart transplants, anti-magic syndrome and even pony-bola. But now, somepony else is on the chopping block. (Takes place about a year and a half before Five Night's at Sombra's)
Cover art taken from Persona 3
I'm not sure why the mods told me to put a crossover tag... Just an FYI.
Aww, poor Dinky!