A mother and son, whose relationship is in a quagmire, are looking forward to his father's business trip. We can finally be alone together. This really shouldn't happen. Still, there's no way I can let go of a sex partner with whom I have great compatibility. After overcoming the painful and painful days, the two finally achieve their long-awaited union... The lust that has reached its limit destroys reason and they seek the peak of pleasure over and over again until their physical strength is exhausted. The craziest three days of my life are about to begin.