Goddess Vanny wanted to have fun and she chose to use her slave for it. She mistreated him yet he had not done anything to deserve it. She had always wanted a dog but did not have any since she did not have the time to care for it and she did not trust her slave to care for any animal. So she tied a leash on her slave and turned him into her human dog. She enjoyed walking him and doing all sorts of crazy things to him.