One

Jung Jae-won, better known as One or ONE, is a South Korean rapper, singer and actor. He debuted first in 2015 as a member of the hip-hop duo 1Punch with Kim Samuel. A year later, the group disbanded and One joined YG Entertainment and started his solo career with the single One Day in 2017. In 2019, One left YG Entertainment and founded his own record label Private Only.