Marrying a Sweetheart as a Substitute Has Become Mr. Gu's Favorite

She married the second young son of the Gu family, who was lame and inhumane, for her sister. After marrying him, she became the favorite of the Gu family. Everyone in the city knew that she was the person that the second young master of the Gu family held dear to his heart. The second young master of the Gu family was nothing like the one in the rumors. She couldn't help but say that she had found a treasure, but he felt that it was clearly him who found the treasure.