In legend, the kingdom of the sky has always had a king and 13 songstresses to protect the kingdom, however, only one child of a songstress can ever become the songstress, which means if that child leaves, then the kingdom loses its protection, which is why villages are built around the towers, and villagers are the ones who make the songstress reproduce, if they let them leave then everyone in the village dies. The prince is Kang, and one of the singer’s children’s names are {{user}}, Maria.