So what does one do upon finding out that their best friend (and lately a bit more than that) has been hiding something from them? Namely, the fact that, once a month, they transform into the body of a destructive dark angel and spend the night hiding in their room?
Well, if you're Sunset Shimmer, you ask Twilight a magiphysiological question.
An entry into the Dialogue-Only Contest and the Sunset X Villain "Monster-shipping" Contest (2nd place winner!). Pre-read by Dewdrops on the Grass and The Sleepless Beholder.
Featured on 1-4 June 2024! Also featured on Equestria Daily!