愛する人は他にいると言った夫が、私を離してくれません

"After losing her parents at a young age, Countess Seraphina took on the duties of ruling in place of her younger brother. One night at a grand ball, she saves the Duke Maynard from a difficult situation. This fateful encounter leads to a contract marriage between the two. However, soon after, Maynard confesses, 'There is someone I truly love'...!? A swoon-worthy love romance between a realist countess and a beautiful, secretive duke. Now, the long-awaited manga adaptation begins!"