Under the guise of treatment, the sadistic female doctor plays with the patient's anus by expanding it. The doctor makes a hole in the patient's underwear, exposing the patient's anus, and laughs. While laughing, the doctor thrusts her finger, a small dildo, a medium-sized dildo, and then a large dildo into the patient's anus to expand it. The doctor continues to expand the patient's anus, regardless of the patient's. The doctor puts on a strap-on and thrusts it into the patient's mouth and deepthroats him. The doctor thrusts her dick into the patient's anus and plays with it, fucking him hard. Finally, the doctor thrusts her fist into the patient's anus and pushes it as hard as she can. The patient's anus then completely swallows it. The doctor says, "This is treatment, so please bear with it, Fuhuhu," and stirs up the patient's anus with her fist.