After giving birth, Kumiko enjoyed happy days as a mother of one. However, since the birth, she had been sexless with her husband and had no choice but to masturbate for comfort. One day, while cleaning, she accidentally caught a glimpse of her neighbor, Hiroshi, masturbating. Unlike her husband's, his penis was impressive, and instead of feeling disgust, it ignited the pent-up desire within Kumiko. A few days later, Kumiko visited the neighbor's house and, finding only Hiroshi there, took advantage of the situation and went inside…
