"Ko, coach ... what kind of practice is this?" A metamorphosis coach who teaches Mama-san's volleyball while mischievous on the thighs of a married woman. However, the married woman also became interested in it, and on the contrary it was attacked. "Fill my womb with the strong sperm of the coach! Put out a lot of strong genes in my body!" Creampie is a shortcut to the strongest mom's volleyball.