Rui is a traveling instructor. One day, he went to the Sato residence for work. Sato was quite creepy, and the clever Rui quickly sensed something amiss. He intended to collect the usual high lesson fee and say goodbye, but... controlled by催●, his asshole became an obscene instructor, ultimately transformed into an endless orgasm sex machine covered in drool... The 60-minute course of non-stop urination began...
