During a family gathering, secret sex suddenly begins inside a long skirt. Through a thin layer of fabric, the mother and son's mucous membranes rub against each other, emitting wet, obscene sticking sounds. 'Ah no... If you move too vigorously, Dad will find out!' Despite the dangerously risky situation where the father would know and it'd be game over, the stealthy insertion doesn't stop. The mother and son, hooked on the hidden intercourse inside the skirt, can never go back to being a normal parent and child…
