Mistress Katelyn Brooks and her new pet Cupcake Sinclair have both fully embraced their BDSM fantasies thanks to their group therapy sessions. Today is Cupcake’s first day as Katelyn’s stay at home, full time slave! To celebrate their first day together Katelyn has locked her new pet in the smotherbox, leaving Cupcake totally vulnerable to endless ass smothering! “Do you like your training so far?” Katelyn asks as she grinds her round ass into Cupcake’s face. Katelyn loves hearing…