Daisuke couldn't suppress his sexual urges when he heard the lewd voices coming from his parents' bedroom every night. It seemed that he would soon have a sibling... Jealous of his father, and jealous of his yet to be born younger sibling... The son, who had become a mass of possessiveness in order to be the first to receive his mother's love, tried to overwrite his father's sperm that had accumulated in his mother's uterus with his own. "Mom, you always do naughty things with Dad. If you really love me, you could do it with me too." In order to update his mother's body, which had been defiled by his father, they had sex in a very intense manner, combining bodily fluids, and they became entangled in a messy relationship that transcended the mother-son relationship...