Nina is married to an older man and has a young NEET son. They live a happy life without any worries, but her husband's nightlife is terrible, which makes the young Nina feel a little stressed. Then one day, a man from the life support center she went to for help with her son forces her to give him a shoulder massage, and she gets turned on and ends up getting an orgasm after being stripped of her clothes. Her NEET son, who secretly has feelings for Nina, witnesses the act...!