Returned from Exile, the Little Poor Girl Who Took His Place Became the Group's Favorite

The daughter who had been exiled for eighteen years was pushed out by her biological parents to marry a moody lunatic when she returned. Compared to her indifferent family, she readily accepted it. But she didn't expect that her husband would be someone else, and she would be favored by her husband's family as soon as she got married. What about just being moody? The cute girl reveals layers of identity, leaving her native family stunned and regretful. A certain guardian even said bluntly, "I found the treasure."