Cums you round!

Kary pulls you upright still hilted on her massive dick and pulled tightly against her crotch. She proceeded to bounce against your round overstretched butt. You don’t mind considering how taut you are back there. Your belly spills out before you and your large breasts bounce in time with the motion. Your sister is very tense and almost contemplative as she focuses.

You don’t interrupt her by asking what she is thinking about. Your sister becomes tense, and sighs as you feel her cock deep within you dump gob after gob of very dense cum inside you. As she does, you see your saggy belly become less so. Maybe it is absorbing the gallons of cum in you already! Before your eyes, your belly rounds out (sticking out like 6 feet) in front of you. As it rises up and parts your breasts around it, you marvel at your size.

While still holding you up, Kary pulls her flaccid penis from you with a pop. Nothing leaks out! You can feel your hole gaping still, but nothing is draining. Kary guides you to lean against the counter and you manage to stay balanced.

“How do you feel?” Kary asks as she snaps a few photos with her phone. “Pose for me! I want to see my handiwork!”

“Stop! I’m big as a whale,” you complain. You turn in profile and stick out your butt anyways.

“You like it though! Great pose! Do another! Wow your tits stick out past your sides you can see most of them from behind! The big belly too!”