Aoi lives with her husband Hiroyuki and her father-in-law Toru in her dream new home. Her husband is busy, so she is always alone with her father-in-law during the day... At first, she was nervous, but as it became a daily occurrence, Aoi gradually got used to it. However, one day, she began to feel Toru's lewd gaze. And then, his gaze finally took action, and Aoi was stripped of her clothes and raped in her home during the day, when only she and Toru were there. From now on, she will have to spend every day alone with her father-in-law...