Princess Twilight Sparkle has never gone into heat as a princess, and she didn't realize how much worse it was! Luckily, she had managed to get some alone time with a stallion she had an eye for...

Includes: Ah shit, how do I do this? Uhh... Okay so there's cum inflation (very unexpected!) cum worship (is this even a fetish?) and impregnation (Heat, duh!) That should be all. Maybe. Hopefully.