While living a happy newlywed life without any inconvenience, there was a couple who were not blessed with children. However, Satomi, the bride, was satisfied enough if she could grow love with her husband. However, such a smooth sailing life changes completely. One day, my husband welcomed my father-in-law, who lives alone, and proposed to live together under one roof. At this time, Satomi had no way of knowing that the evil desires in her father-in-law would attack her.