Sayuri, who has been married for four years, is being urged by her parents to have a grandchild. One day, while worrying that there are no signs of pregnancy between her and her busy husband, she applies to a mobile infertility treatment site she found on the internet, but the mysterious chiropractor who showed up skillfully massages Sayuri's erogenous zones. Although she is shy, Sayuri gives in and is quickly developed into an erotic woman...