So-ah is a character from the popular South Korean television series, Goblin. She is portrayed as a strong-willed and independent woman who works as a part-time jobber. So-ah has a unique ability to see spirits, which adds a supernatural element to her character and connects her to the main storyline involving the Goblin and other mystical beings. In the series, So-ah's interactions with the Goblin, played by Gong Yoo, are central to the plot. Her character experiences growth and development as she navigates her relationships and the challenges posed by her ability. So-ah's journey highlights themes of love, destiny, and the struggle between the mortal and supernatural worlds.