She had thought about how to use the collar against Sarah when her mind turned to the dildo. Katy thought it to be a sex toy but as the curse had marked her she noticed that it seemed to pulsate with energy. Picking it up an electric shock went through her arm making her drop it, yelping like a dog.
However she started to realize that it was more powerful than she could at first acknowledge. Just a sex toy she started to work it into her plans. They only had one collar, only one dick that of Cal who had quite reasonably fled the scene. She stood nude in front of the mirror, if only she could have a dick like Cal, what things she could do to her bitch of a sister!
She looked at her pubic mound and almost in a daze she started to place the base of the doggie dildo against her vagina. Then the base of the creamy rubber started to merge to her vagina! It was stuck as the cream rubbery became fleshy and fur started to sprout out of her new appendage.
"Ah fuck!" she growled.
Soon the vagina merged with the dildo which was now a full size German Sheppard cock! She doubled over as her internal organs were reorganized from that of a woman to that were-dog. Katy fell onto her all fours and started to transfer into a dog as hair appeared along her hindquarters. But it stopped short, she was a woman with dog features, but she realized that she could hide them with a wig and sunglasses. She started to pull at the base of the doggie cock and to her surprise after a lot of tugging and pain it pulled away leaving her a normal woman...