After two years of living together, their relationship was not so bad, but Sumire felt lonely because of her husband's indifference. When I was worried about how to turn things around somehow, my father-in-law, Kazuo, advised me. However, her husband remained indifferent no matter how much he invited her and vice versa, Kazuo couldn't take his eyes off her. And Kazuo, who couldn't bear to cheer up the frustrated Sumire... From that day on, the two continued their relationship while stealing her husband's eyes. Sumire is looking for her father-in-law's son, not her husband.