The fairy world traveled through the world with the encyclopedia and the little koi from space, and came to an ancient farmhouse that was suffering from drought and food shortage. Grandma, who had always favored boys over girls, changed her gender. She felt pain in her heart and wanted the best for the little koi. The people in the village thought that the Gu family was crazy. They didn't care about their eldest grandson. They raised a girl who was losing money so well, and her life was full of chaos sooner or later. However, they never expected that the following days of the Gu family would be prosperous and full of good fortune. The little girl has grown up, and everyone in the village is planning to marry someone back home to bring good luck to her family. However, the young master beside her has given up. This is the princess I have planned since childhood. I wonder who of you dares!