A secret rendezvous on a dangerous day... Every month, on the day we try to conceive, my husband and friends will come over... Satsuki Mei JUL-581

I've been married to Naoki for two years and want to have a child soon. I calculated my ovulation day to have sex, and tonight was also that day. However, my husband went on a business trip and brought back his friend Oki. The next day, I was assaulted by Oki...