The best of the popular series in which a married woman and a big-cocked boy enter into a forbidden relationship! One day, after marrying a man with a child from a previous marriage and getting used to her new life with her husband and son, the woman sees her son's huge penis, which is incomparable to her husband's. From that day on, every time she looks at her son's crotch, the depths of her underwear begin to ache... Her feminine instincts and pent-up sexual desires lead her to commit a mistake... A great value BEST collection featuring gorgeous actresses such as Airi Kijima and Nanami Kawakami!