"Let's play a game of strip something, like mom did in college." I say, excitedly. "We'll tell mom that we want to help her relive a little of her college days." I look Susan's in the eyes. "Please! Just do this for me." I plead. "I'll make it worth your while." I smile, pulling her to me and grinding my hard cock against her pussy mound, while I squeeze her ass cheeks. "Besides, this is just family, it's not like you're fucking in front of strangers in a parking lot." I laugh, reminding her of her exhibitionism this morning.
"You're right." Susan laughs. "Okay, if you can get her to...