KIM WOO SEOK is a South Korean singer. He released the album 1st Desire [Greed], followed by the extended plays 2nd Desire [Tasty] and Blank Page. His popular songs include Red Moon, Sugar, and Somebody Like You. He debuted as a member of Up10tion in 2015. He appeared in the series Boys Mental Training Camp, Night has come, and TWENTY-TWENTY.