All-Favored Princess

A small ghost accidentally traveled to a princess who was favored by thousands of people, only to find that the husband she had never met was not among the favored princesses. Life is "unspeakably miserable", who will cross her "sea of ​​suffering"? Is it a handsome young man from a wealthy family, a seemingly cold-blooded killer, or is it the husband who finally comes to his rescue? ?