Hibiki and Shuji, a couple trying to conceive, have come on a baby-making trip to time with Hibiki's ovulation. They planned to visit a famous shrine for fertility prayers during the day and indulge in unprotected sex at night at an inn…… But they encounter some male college students at the inn, and things start to go awry. Sperm is injected continuously into the vagina on the inevitable day of ovulation!
