When referring to "tight" among Korean celebrities, it typically means those who are known for having close friendships or strong bonds. Here are a few pairs or groups of Korean celebrities who are known for their tight friendships:
1. **Lee Kwang-soo and Haha** – These two have built a strong friendship through their time on the variety show "Running Man."
2. **EXO Members** – The members of the K-pop group EXO are known for their close


