Megumi Meguro, the wife of my wife, who takes my sperm away from my breast

Husband and wife Canon in the second year of marriage. They wanted to be pregnant, and they were "pregnant" because they were able to get a good sperm to match the time before ovulation. On the other hand, her sister, Megumi, was flying around the country as a Ca, and she was not able to make her husband and child easily. Megumi who wants a child ahead of the younger sister came to temptation to come to the temptation when the younger sister couple's child making schedule approached.