Faye and the Centaur. The Sex Wizard, #1

Morgan the wizard has a lot of problems in his life. A shape-changing wife. A surly servant. A posting in the worst city in the Five Lands. When a rich merchant's daughter comes through his tower door and asks for his help, life doesn't get any easier. She wants him to help her have her centaur lover get her pregnant. Morgan is reluctant. His wife tells him not to prevent interspecies erotic interaction.
Like any married man, he goes along with his wife's orders.much to everyone's delight. This is a 10, 000 word story intended for adult audiences. Part one. WARNING! ADULT READERS ONLYThis is a 10, 000 word erotic novella that contains explicit sex and sexual descriptions. It focuses on sexual interaction between humans and centaur, magical sex, BDSM, group sex, and voyeurism, along with other sexually explicit themes and language that not all members of the public will enjoy.
All characters are 18 or older. Excerpt:As much as she hated her body changing every day, it was still a thrill to feel her husband's naked skin against hers and it was new every time because it was a new body every day. Morgan didn't need any help from her. He moved on top of her. "It's like being a virgin every time, " she told him."Except you're a virgin who knows what she's doing, " he told her as they moved together.
Uncontrolled shape shifting was no fun, but Cassandra would admit having a new body daily in which to make love was like having a new lover every day. And she knew the same was true for Morgan."Uh-huh, " she agreed. "Do you like my new face?" she asked him, trying to be a distraction."Very pretty.""Was I ugly yesterday?" she asked. "He grunted. "The rabble says women with gapped teeth are sluts."Cassandra groaned as he went all the way inside her.
"The rabble might be right, " she agreed.