Michiko is a housewife living with her husband and college student son. Half a year ago, she had a physical relationship with her son over a trivial matter. Although she knew it was wrong, she continued the forbidden sex behind her husband's back. One day, they decided to go on a family-only hot spring trip. Her husband was in high spirits, but her son, jealous of his mother always paying attention to his father, was irritated. Upon arriving at the inn, her son immediately made his mother suck his dick while his father was asleep. The act escalated further…
