Choi Hyun-suk (Korean: 최현석; born April 21, 1999) is a South Korean rapper and one of two leaders alongside Park Ji-hoon of boy group Treasure under YG Entertainment. The group made their official debut on August 7, 2020 with an album called "The first step: Chapter one" has two songs include "Boy" and "Come to me".

He is also known for his television appearances as a contestant on reality-survival programs Mix Nine and YG Treasure Box.