Yukiko repeats her naughty fantasies whenever she has time. After wandering around in search of her perverted experience, she ends up at Otsuka Floppy. As the first part of her scatological experience, she delivers the forbidden filthy feces to the intestines.

Mayu-chan, a 20-year-old lazy girl, has her first ska experience. She was pounded by a hard blue muscled penis, and her tight soft flesh rippled. From the poop hole hidden deep in her big butt, the accumulated obese feces emerges with a foul smell.