Stephanie whimpered in pleasure as John filled her with his seed. The gryphon cum, which pumped into her in load after load, rushed through the slim goth girl's insides and seeped into her body. John could suddenly feel a connection between his mind and his new mate's body, giving him control over her form.
John began to change Stephanie into a more suitable form. Before he made her into a full griffin, he decided to see how she would look as a lioness.
Slowly, Stephanie's pert B-cup breasts swelled to more than double their size as her pale skin broke out all over in soft, tan fur. Her bones grew out and her muscles became more toned until she was only a little shorter than the gryphon on top of her. Her pussy expanded and became better able to accommodate John's invading member. She grew a short feline muzzle, sharp teeth, and retractable claws, though the short black hair on her head remained. The gryphon seed reprogrammed her mind, giving her powerful feline instincts. A tail sprouted from the base of Stephanie's spine, and the transformation was complete.
John grinned down at the lioness as he began to slide his gryphon cock out of his mate. As Stephanie began purring and hugging around him, John wondered what to do next...