Determined to remarry for her son's sake, mother Miyu unknowingly sets their relationship on a path to destruction. Her son's uncontrollable sexual desire for her finally erupts. With relentless cunnilingus, he shatters her resolve, and with fierce, rhythmic blowjob techniques, he overwhelms her body—ultimately claiming her womb with a creampie. Drenched in his thick, potent semen, Miyu transforms from a mother into a woman, and then into a submissive bitch. As their once-sacred mother-son bond collapses, a new, taboo physical relationship takes hold. Day after day, they devour each other's bodies, indulging in pleasures that blur the line between heaven and hell.