My husband changed jobs and we moved to a new town. Things had settled down and we started hoping to have a child. I researched the best time to get pregnant and was looking forward to a passionate encounter with my husband on that day. Today was that day. However, my husband brought home his former boss, Yotsugi-san. Delighted at the reunion, my husband got drunk and told Yotsugi-san that today was the day to conceive, her dangerous day. Then, the next day, I was called to Yotsugi-san's hotel because he had something to give to her...