Laura said "I want to fill you up until you can't even walk, cumslut!", the remote's beeping being drawn out by moans. Ms. Mounds kept bouncing faster and harder until finally, Laura cummed, and cummed she did. She was famous around town for being able to cum gallons. Ms. Mounds sat, slightly worried but still very horny at seeing her belly slowly start to grow. "There's s-so much cum!~", she said, her belly now softball sized. "I bet you can take it whole, can't you, you dirty whore?~" Laura said, the remote picking it up. Ms. Mounsd was in heaven, her eyes crossed, shouting in pleasure "Yes! I've wanted you to cum in me for so long! Fill me up! Fill me uuuup~", her belly now the size of a beachball.
Laura was caressing the growing cum balloon that was Ms. Mounds with her four arms. She could feel the sloshing inside, which made her cum even more knowing it was her who did that and that Mounds would always end up like that at the end of masturbation classes.
When Laura was done cumming, she struggled to get out, as Ms. Mounds' yoga-ball sized belly was heavy, full of her cum. She was laying on her belly and caressing it, cum slowly trickling from her pussy. Laura looked at the class, seeing everyone started to cum a second time, as she remarked...