Kayo, who lost her husband early and lives with her son. Her son, who was always raised with love and kindness, eventually came to love his mother more than just as a parent. Her son, who has decided on a job and will leave home. As a last memory, they go on a hot spring trip together. Her son approaches his mother, whom he has come to love as a woman. Overlapping lips, breasts being squeezed, Kayo, who initially resisted, is eventually consumed by the woman's pleasure. We deliver a forbidden incest story of two people who cannot stop the forbidden pleasure and repeatedly overlap their skin and intertwine.
