John gives mom a shower

John woke up and checked his surroundings quickly. Mom was still asleep, in what would otherwise have been a hilarious "ass-up" passed-out pose.

John had drunk a lot of water last night and the need to pee was strong. He knew he should wake up Mom, but this was a chance he didn't want to pass up. Looking intently at the monitors, he let the pee flow.

The side view was the best, showing his streaming hitting his mother's naked back. John was worried she wouldn't wake up, but after a few seconds she woke with a panicked start and tried to sit up. The shackles stopped her of course, and John started to pee harder on her face and hair.

"JOHN!"

John stopped the flow immediately, and acted confused. "Oh god, sorry mom, I tried to wake you but I had to pee so bad..."

"Damnit John, I'm fucking soaked, and smell like piss!"

There was an awkward silence for a bit, then finally she asked "Do you still need to pee?"

"Yes, but I don't think I can now"

More awkward silence, then "time to cum then."

Without any more warning his cock was engulfed in her mouth again. This time, without the need to generate spit, she gave a slower and gentler blowjob.

Figuring he had pushed his luck already, John warned her this time. "Mom, I'm real close... here it comes "

With his first spurt she suddenly released his cock and dropped down, coughing and gagging. Johns remaining cum shot onto her hair and forehead, which excited John even more and probably added to the cum.

When she recovered, Heather swore at the missed opportunity. John's cum had hit the back of her throat in just the wrong way, and had mostly been wasted.

"Mom, I need to pee now."

"Of course... guys usually need to pee after a cum. Ok, I know how to do this now. Just trust me, and only pee a little bit and stop, ok?"

"Ok"

John watched fascinated as his mother rose up again to gently put just the head of his cock in her mouth. And waited.. no licking, no sucking... just waiting to hold his piss.

He relaxed and let the pee flow... and when his mom's eyes looked a little panicked he stopped. She released his cock, cheecks bulging like a chipmunk, put her mouth on the pee tube and released. Then she went back for more.

Heather was disgusted. First she blew her son, and now she is acting as his urinal. Her only consolation was how fast the piss tube was filling... it took a lot of round trips, but again it was more than half full when they finished.

One more cum, one more pee... and figure out how to fill the bile tube. Honestly she had been prepared for everything else to gross her out so much that she puked on her own, but no such luck.