After spending the better part of the night making love to each other, Jen and Isabel both decided that it was time to spice things up. At the same time, each offered the other the power to transform her.'
"Transform or dare?" they both said
"Transform!"
Jen decided to transform Isabel first, since she already knew exactly what she wanted. She took Isabel by the collar and whispered in her ear. "You've been such a good little doggie, now you'll transform to look more like one!"
Immediately, Isabel felt the changes begin as she howled in pleasure. Thick black fur grew all over her body, though she kept the cute purple streak in her hair. Her muzzle grew out a little, her nose became wet and black, and her ears shifted and twisted into a more canine shape. She finally grew a tail to wag as she finished becoming a humanoid canine. She licked Jen's face in thanks as she thought over what changes she would like to see.
When she decided, Isabel answered back, "Mistress Jen is almost perfect, but I would like it if she had boy parts to play with..."
Jen smiled and stroked her inner thighs as she felt a long, thick penis grow out above her female equipment. It was already erect and throbbing, begging for more action.
Without further delay, the new hermaphrodite climbed on top of the new puppy-girl...