HUNTC-473 Amazing... I want to suck it... My brother's wife is so turned on by my morning erect

My brother-in-law lives with his older brother and his wife. One morning, when my brother's wife lifts the duvet to wake him up, she sees a bulge in his crotch! What's that? Could it be... morning wood? Unlike men, my brother's wife has never experienced morning wood, so she can't stop her heart beating fast at the shocking bulge! She's seen something she shouldn't have... Her sense of guilt gradually turns into obscene feelings, and before she knows it, she's looking at him through his pants...