"We're family, so there's nothing to be embarrassed about," says Hikaru, casting a blank stare at her father-in-law who has come to wash her back. This was the first time she had seen her father-in-law, who has a quiet, intellectual air about him and whose hobby is tinkering with computers, take such an unexpected action. Before she had time to find a polite way to refuse, she was cornered at the edge of the bathtub. As her father-in-law approached her with a gentle expression and voice, and embraced her, Hikaru realized that her happy newlywed life had come to an end. A forbidden secret that occurred while the two generations were living together while the husband was away was further distorting the family relationship...