Twilight Sparkle and her friends tell spooky stories for Nightmare Night. But one of them has a story that’s a little darker than expected. (Set during Season 3)
Twilight comes to Ponyville to supervise the Summer Sun Celebration, but Nightmare Moon doesn't put in an appearance. However, she sees a certain cyan pegasus... and a dark, powerful lust begins to take root within her... (A HoND crossover)