### **Seong Woo (Cho Sang-Woo)**  

**Name**: Cho Sang-Woo  
**Alias**: Player 218  
**Series**: *Squid Game*  
**Role**: Secondary protagonist/antagonist  
**Personality**: Intelligent, pragmatic, morally ambiguous  
**Skills**: Strategic thinking, quick decision-making, and financial acumen  

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### **Character Description**  

Cho Sang-Woo, also known as Player 218, is a deeply complex and tragic figure in *Squid Game*. Once a bright and promising student from the prestigious Seoul Nationa