D1ce (Korean: 디원스; stylized as D1CE; pronounced as "D Once") is a South Korean boy group formed by Happy Face Entertainment. The group consists of five members: Jo Yong-geun, Kim Hyun-soo, Jung Yoo-jun, Park Woo-dam and Woo Jin-young. They debuted on August 1, 2019 with the EP Wake Up: Roll The World, with Wake up serving as the title track.

They have won the 129.Your Sound Contest.

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