Forbidden Humiliation ~Mother kept as a sex slave~

Son Yuichi, who was secretly filming the inside of his home, finds out that his mother, Setsuna, is having an affair. The shock and unbalanced love for his mother drives Yuichi crazy. A single mistake leads a mother and son into a distorted world... A son who plays with his mother like a sex slave, and a mother who cannot break free of such a forbidden relationship. What will be the fate of the mother and child who are swallowed up by a vortex that they cannot escape from? ?