A girl from a small village chosen as the sacrifice to please the Water God, Habaek. When she was a child, she was prophesized to love two men in her life. She finds herself attracted to Mui, who she believes is Habaek's cousin, unaware that Habaek (the child) and Mui are the same person. However, later on Soah realizes this, and this knowledge is believed to have been passed on to her by the Emperor. Soah refers to herself as a false bride; eventually it is revealed that her father sold her to take the place of another girl intended for sacrifice.