My Dog-like Grand Duke

To protect her sister from a dangerous political threat, Princess Riette is forced into an impossible mission: seduce and marry the formidable Grand Duke Kain within a week. Known as the unfeeling “Iron Grand Duke,” he coldly rebuffs her every advance. In desperation, she proposes a contract marriage, only to find his icy demeanor completely transformed. Now, instead of a human fortress, he behaves like an affectionate puppy, leaving Riette utterly bewildered by his sudden and clingy attachment.