Erotic novel - Married Housekeeper - Please take a look at the new wife's body - Kinoshita Himari

His new wife, Himari, was sent to the housekeeper at the request of a wife who was on a long-term business trip. While caring for her physically disabled grandfather, Himari's beauty has restored her function for the first time in years, and she begins to use her authority as an employer to embrace her. When grandchild realizes the act, he peers through the act and feels like having sex with Himari, and one day he tries to ask him but is refused. When he notices his grandson's peek, his grandfather orders Himari to have something to do with him. What is that order?