Yumi feels lonely with her husband who comes home late every day and her son who works part-time. She spends her days comforting herself with masturbation, saying, "In the old days, her husband loved her so much...". The son, who noticed that her mother was not feeling well, decided to listen to her mother's worries on a night without a part-time job for the first time in a long time. Then, "From now on, I will not let her mother feel lonely," the son drives her affection out of control, pushing her mother down and crossing the forbidden line. Her mother who felt pleasure while understanding her contraindication gradually ....
