You were startled when Jesse's massive new body lands on you without hesitation with his massive cock immediately entering your moist folds causing you to whinny in both shock and pleasure. You can feel his cock stretch you moist folds to what feels like their breaking point.
Your human mind is slowly being pushed to the back of your mind as your former girlfriends massive cock causes your equine instincts to take hold.
You can feel his immense ball hitting your flank as your hind legs get soaked from the mixed juices. You and Jesse are panting and grunting from the intense pleasure you both are resceiveing (you from the handsome stud massive cock and Jesse from your tight folds.
As you continue to get fucked, you start to thrust your hips as best as possible (due to the restraints) into the stud as he starts to speed up. You want to be his mare! You want him to be your stud! You want to have his foals!
You are now starting to reach the end as you feel his cock and balls stiffen more as you folds clamp down on his shaft as best as possible when your former girlfriend makes the inside of your vagina white is his thick seed.
When Jesse slow demounts you, you can feel the heat in your loins has subsided as you pant from the immense pleasure you just experienced. You then saw the woman come over as she started to pet you with expert hands. Your human mind slowly comes back as she simply smiles at you knowing the pleasure you just experienced was amazing for you.
"I think you and Jesse had quite the mating session don't you think Princess" she said. All you do was whinny as you felt the massive load in you slosh around as a large stream started to like from your satisfied folds.
You felt shamed and humiliated, but definitely pleased as you were lead back to your stall as the mixed fluids came mattening down your fur on your hind legs from being fucked by your girlfriend turned stallion.