SDAM-041 "Finally, I've connected with my son!" The overly devoted mother and her son who can't control his erection go on an incestuous hot spring trip.

A son who can't cure his erection due to an unknown cause of abnormal sexual desire and a loving mother who devotes himself to taking care of him. They don't know that the doctor in charge set up a voyeur camera in the hot spring inn that they visited for treatment.In the monitoring video, the frustrated mother is secretly excited by her son's fully erect penis and can't stand it. The appearance of having sex is projected.