Rena and Cam stared at each other for about two minutes after what Cam said. The house had a different tension to it, like those anime where the master sees some hidden potential in the young adversary. Though in this case, the potential wasn't in a fighting sense, more of a friendly competition sense.
Rena placed her hand on her rumbling belly. "Make things interesting? You mean like have a contest or something?"
"Yup." Cam replied with a grin. "I figured we might as well since all that food we ate filled us with gas. Winner gets unlimited belly rubs for a week."
"Belly rubs for a week?!" Rena repeated enthusiastically, her eyes gleaming. Belly rubs were one of her favorite things to receive after a meal. Or in general if they were being offered. "Okay, lets do it!"
"Alright. I'll go first." Cam said as she got up, Rena right behind her. She bent over a bit and pushed ever so slightly...
A loud gas blast exited from Cam's rear end for about