You giggled a bit and placed a hand gently on the stallion's anal hole, it was warm to the touch, you smiled and softly rubbed it, the horse whinnied soft in delight and relaxed, you then put your other hand on it and rubbed, the stallion was really starting to enjoy it, you could tell because it stamped a hoof on the ground, you blushed a bit more as you rubbed, then you got an idea, smiling wide.
With care, you put your hands on the opposite sides of the hole and slowly pulled the lips open, the stallion whinnied loud, enjoying the pleasure, you opened his asshole up as wide as possible and looked inside: the anus was huge! Pretty much bigger than normal for a horse even! you smiled and slid a hand in out of curiosity, you felt the softly pulsing anal walls, they were very warm.
The stallion noticed and backed up slightly, seemingly wanting you to go inside, you blushed so hard at the very idea! "man this horse is kinda weird.. But hey, it seems to like this, who am I to deny it that kind of pleasure?" You chuckled and shook your head, the stallion was waiting, so you put your other hand in, it neighed in pleasure and stayed relaxed.
Then you started pushing in, your arms sliding slowly into the waiting ass, it was so warm, and the smell was wonderful, soon your arms went in past your elbows, close to your shoulders, then you closed your eyes and pushed your head in. "mmm.." You softly moaned as you pushed in, the stallion gave u a hand by backing up a bit, pushing you in past your shoulders, you moaned louder.
"Ooh.. hehe, eager for me to be in your ass eh?" You giggled and pushed in more, the stallion seemed to slowly sit down, as your chest and torso slid in, the horse neighing loud in pleasure, soon your waist slid in, the feeling was amazing: you were pushing as the stallion sat slow, wriggling deep into this horse's anus, soon your legs were starting to slide in, then in moments, your feet came in.
The stallion neighed softly as his asshole closed tight, there seemed to be air inside the butt of the stallion, which was good, you felt the stallion lay down and clench the walls, rubbing them on you, you moaned as if the horse was welcoming you, so you smiled and decided to live in this anus, with a big yawn and soft moans of delight, and a rub of the anal walls, you nodded off.. ^^