Gender Swap Riding Crop

Desperate to fix their waning sex life, Robert comes home with a riding crop. After being the dominant in their relationship, he's ready to hand himself over to Hailey and let her have her way with him! But they soon find out this is no ordinary riding crop. With each slap on his skin, it's making Robby soft and supple, and filled with new sensations... including being filled up by Hailey in a way he never thought possible!