KAR-416 - Obstetrician's Secret Examination: Sexless Married Women's Unbearable Sperm Injection Checkup 14

Basically, the women in this series are so indifferent that it gets boring quickly, but there is one person who shows an outstanding reaction. I forgot which number she was, but the woman in the white lace who appears around the 2-hour 30-minute mark has an amazing way of reacting. I think it's worth watching just for her.