Yuki's husband, Yuichi, took over his family business, so Yuki moved in with her in-laws. Her mother-in-law, Ikumi, doted on Yuichi and was harsh towards Yuki. Despite this, Yuki devotedly supported Yuichi, which aroused desire in her father-in-law, Taro. One day, when Yuichi and Ikumi were both absent, Taro took advantage of the situation with just him and Yuki present, pushing her down and raping her. After that, Yuki feared and avoided Taro, but he continued to molest her everywhere, even when Ikumi was around…
