Indulging in dreams

Viscount Theophil Riedel meets and falls in love with a commoner woman named Henriette. Despite his mother's opposition, he marries Henriette, but he finds himself at the mercy of her true nature, which gradually becomes apparent. Furthermore, when he learns that she was his late father's mistress, he attempts to divorce her—but what happens next? A side story of "My Life That Had No Value" (https://ncode.syosetu.com/n8882kc/). ※ Also posted on Alphapolis.