JUL-581 The ultimate glamorous beauty makes her debut! Secret tryst on fertile days. Every month, on the day of making a baby, my husband's friend comes over... Satsuki Mei

Two years into my marriage with Naoki, I desperately wanted a child and researched the best times for conception. Tonight was one of those nights. However, Naoki brought his friend Ooki, who was nearby on business. I didn't notice Ooki's sharp expression. The next day, I was called out by Ooki and raped. It happened during my fertile period, and he ejaculated inside me. After that, every month during his business trips, Ooki would visit me. And it always happened during my 'fertile period'...