Katy's eyes widen as Bella's tongue darts out, tasting the soft skin of their mom's chest. She can't help but reach out, her fingers brushing against the same fabric that Bella is now slowly pulling aside to reveal the hardened nipples beneath. Their mom, caught off guard, gasps but doesn't pull away. Instead, she leans into their touch, her body betraying her initial shock with a surge of desire that leaves the stepsisters eager to explore further.