Every night, Daisuke couldn't control his sexual urges hearing the lewd voices leaking from his parents' bedroom. It seems he will soon have a sibling… Jealousy towards his father, and jealousy towards the yet unseen younger siblings… The son, a bundle of possessiveness, attempts to overwrite the sperm accumulated in his mother's womb with his own. 'Mom, you're always doing dirty things with Dad, right? If you really love me, you should be able to do it with me too.' The excessively thick bodily fluid sex, intended to update the mother's body defiled by his father, transcends the mother-son relationship and becomes entangled in a messy way…
