Kiyotaka couldn't forget the swap experience that involved his mother Eriko, aunt, and cousin, leaving him in a state of frustration. His mother told him, 'Let's forget about today,' but Kiyotaka couldn't erase the image of his mother lost in pleasure. Driven by forbidden urges, he pushed his mother, who desperately stifled her cries beside his father, succumbing to taboo ecstasy...
