"Oh my fucking god, Ty!" Michelle purred, loving how her brother pawed her bouncy asscheeks while his fingers gently pulled and pushed on the buttplug, masturbating her needy little anus with shallow in and out motions. "You're so hard and so big!"

"No kidding!" Tyler laughed, his enormous schlong flexing in his sister's soft hands while her jacking manipulations coaxed drop after gooey drop of precum from his fat purple knob. "And good job groping my boner with Mom on the other end of the couch, by the way!" he added sarcastically but not without a hint of appreciation for his sister's unexpected adventurousness even in the presence of their...