This is a daily record of the incestuous relationship between a busty mother who loves her son and her reclusive son, who accepts her beloved son's sexual relief even though she knows it's wrong. Ever since he was scolded for failing his college entrance exams, the son has stopped coming out of his room when his father is around. Before long, his only source of Kokoro became his mother's breasts. The son's desires escalate with his kind mother who accepts everything he wants...! The ultimate maternal love AV is born, where she even accepts her son's sperm into her own pussy.