D&S presents a large woman named Anaru as she carefully cleans and gradually loosens her anus. Removing the drain cover, she begins in her usual quadruped position. Slowly probing around the anal area, she relaxes the surrounding muscles. Suddenly, she gasps in surprise, feeling as though her elbows are bending backward—like a bird?? Wearing gloves, she generously applies vaseline and works it into the anal opening. Inserting one finger, then two, and due to her experience, three fingers slide in easily. A long moan—"Ahhhhhhhhhhhhhhhhhhhhhh!"—escapes her as she twists and pushes deeper. Screaming "Aaaaaaaauu!", she hooks her anal sphincter with the first knuckle and forcefully pulls upward. Amid loud groans of "Fuuaaaaaaaah!", she grinds deep inside the fully stretched anus, pressing and expanding the inner muscles. Stretching further, pushing in and out, relentlessly loosening the anus and pulling the sphincter muscle completely wide open—stretching the skin to its absolute limit, wwww. Her moans rise—"Aaa! Ah! Ah! Aaaaaaa!"—as she spreads herself even wider, screaming "Aaaaaa! Aaaaaaa! Aaaaaaaa~~~~~~..." before suddenly collapsing in exhaustion. Yet, the old man's hand remains deeply buried inside her, wwww. Reaching around from the front to stimulate her clit simultaneously, he rapidly churns inside her rectum, driving her completely insane—she begins convulsing wildly, wwww. Now that her anus is thoroughly loosened, they begin injecting warm water. Filling her until the nozzle is forced out and the water gushes out in a sudden burst, w. Afterwards, they repeatedly flush her insides over and over until everything is completely clean, w. *Note: There are portions in the main video without audio, but this is due to the original master and is not a defect.