The head mare grabs your body and holds you tighly, trapped in a head-lock.
"Let me go!"You scream, but one of her friends looks at you and winks. Two of the other mares pull down your pants and rip off your shirt.
"No" you yell "Stop, you beasts"
"You'll enjoy this" says one of the mares. You look down, completely nude, your genitailia has become stiff from a mixture of friction and the sight of the centauresses' breasts. One of them grabs your penis and begins to lick it.
She suddenly stops and says "He will do".
The female lifts you and begins to carry you deeper into the woods.
"Where are you taking me!" you yell.
"You have seen us, there is no going back"
"WHERE"
"You will see soon enough"
She stops. All you can see is a pool of water, clear with a layer of mist. She lets you go into the pool.
The water is lukewarm and you instantly try to climb out. You can feel your physical features start to change. You penis tingles, your legs grow and your body expands. You have changed, permanently. By the time you have managed to climb out of the pool you see the head centauress bent at her knees. She looks at yoou longingly...
"Please me" she says, almost desperately.
Not knowing what else to do you mount her, your centaurian penis thrusting into her. It is nearly a foot longer and almost twice as thick. She moans in pleasure. You thrust, deeper and harder, reaching to grasp her breasts. Her horse-body is warm and soft and her vagina is both wet and deep. You sucumb to the pleasure and ejaculate. She cums as well in a cry of pleasure. Lying on the ground she looks at you and states:
Welcome, fellow centaur...