When the emotional state of the human world's Floor Bored becomes so heightened that it begins to leech over to Sunset Shimmer, the NEET's pony counterpart and Anon are sent in to save the day in the only way they know how. With sex.
Really, what did Princess Twilight expect? All three of them are pervs.
Warnings: Not really selfcest despite the image; the other Floor encourages the other two most of the time. Also, potential impregnation.