The Kishigami family, who is trying to conceive and is not blessed with a child, even though she works hard on the day of ovulation. Her sister-in-law, Riko, who ran away from home after a couple fight for the same reason, visits there. Her brother-in-law Yuta, who was fascinated by her glamorous G-cup body that her wife didn't have, approached her unintentionally. was. From that day onwards, the two of them secretly sought each other, ignoring the danger of pregnancy and drowning in the pleasure of vaginal cum shot.
