Because of his stepfather Kouzou's alcoholism, Yuko and her husband Kouichi moved in with Kouzou to take care of him. The next morning, after Kouichi left for work, Kouzou started drinking again. "No! You can't drink anymore!" As Yuko tried to take the bottle away, they struggled, and Kouzou ended up raping her. Even though it was against her will, the fact that she had a physical relationship with her stepfather tormented Yuko...
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