Jung Jae-won (Hangul: 정제원; born March 29, 1994), better known by his stage name ONE, is a South Korean rapper, singer, and songwriter. He debuted in 2015 as a member of the hip-hop duo 1Punch with Kim Samuel but later moved to YG Entertainment from D-Business Entertainment following the group’s disbandment in September that year. ONE is also known for his appearances on the fourth and fifth seasons of Show Me the Money.


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Last Update: May 9, 2019