A mother aches under the gaze of her phantom mother and son

Her husband is a working man and not only is he not at home, but he is also uninterested in his wife (Yui). As a result, the Igawa family hears the loud voices of the couple fighting almost every night. And Yui indulges in masturbation like crazy every day out of dissatisfaction with her husband and loneliness. Meanwhile, only her son thinks of Yui as a beautiful woman and a proud mother. Yui is so happy that she forgets that she is a mother...