Sung Soo Ji is the main character of the drama 'Pyramid Game' that is based on a Webtoon with the same title. The main character is rational and intelligent, smart and capable. She has a strong mental strength and is very strong, so her evaluation is good.
Sometimes there were opinions that Soo Ji is difficult to empathize because she's too rational for an ordinary high school student, but there were many cases where she were greatly influenced by her emotions as well.
Soo Ji also shows tremendous power. As soon as she became a C-grade, She could quickly adapt and get closer to her classmates, and she approached those who bullied her without hesitation. Soo Ji's mindset is quite similar to that of Baek Ha Rin. However, Baek Ha Rin has the opposite purpose of Sung Soo Ji's regarding of the pyramid game.
