Why Are You Sorry, Darling?

Tareya DeLov awakens in a novel to find herself married to the cold and aloof Duke Anteros Mel DeLov, who's cheating on her with a mistress! Appalled, she immediately petitions for divorce, hoping to keep her share of wealth and win the public's sympathy. But as the divorce comes closer to being approved, Anteros won't leave Tareya alone, remorseful and relentlessly begging her to reconsider. Will Tareya succeed in separating from her husband? And what's with Anteros' sudden shift in attitude? Original Webtoon: KakaoPage, Daum Official Translations: English, Japanese