Braying softly along with the other donkey, you feel an aching in your
spine. You drop almost gratefully to all fours, arms already stretched
out and muscled to leg-like proportions. The back of your shirt rips
apart, and you revel in the feeling of your new mane, free from the
constricting human clothing.
"HAW HEE HAW HEEE HAWWW!" you bellow, as your jaw cracks forward. You
watch down the end of your nose as your face pushes forward, pulsing
in time to your heartbeat, rapidly covering itself in brown fur. Teeth
inflate in your mouth, and you roll your thick tongue around in your
mouth. Your nose finishes stretching and merges with your upper lip as
your muzzle finishes growing. Your eyes darken. Your cock spasms and
sprays your hot load in front of you.
Its over. With one glance at your fellow donkey, you bray contentedly
and trot out of the room.