Daisuke witnesses his beloved mother cheating, unable to deny the shocking scene. What arises in his heart isn't anger or sadness, but a dark, possessive desire. To make his mother his own, he commits heinous acts: strangulation, analingus, and forceful impregnation. Overwhelmed by pleasure she can't resist, his mother eventually transforms even her pain into ecstasy... and before he knows it, she's become a fine sex slave.