The 13th installment of the popular series features Fuyu Ai, known as Kotone-chan. A couple struggling to have children. The husband's cigarette count is increasing due to pressure from his father-in-law and stress from work. At that moment, while the husband is smoking for five minutes, his father-in-law suddenly performs quickie in-and-out sex with Kotone under the pretense of helping her get pregnant! The husband's smoking time becomes his father-in-law's in-and-out time! Ten shots guaranteed to impregnate! While the husband casually smokes down to the filter, his wife is falling into his father-in-law's in-and-out.
