Keum Dong Hyun, known simply as Keum, is a South Korean singer, dancer and member of EPEX. He graduated from Hanlim Entertainment Arts High School and before debuting, he participated in the survival show "Produce X 101" in 2019, but he was eliminated in the final episode and placed 17th overall. After being a trainee for almost 2 years, he officially debuted in 2021 as the group's rapper, main dancer and center with their 1st EP "Bipolar Part 1: Prelude of Anxiety". In 2022, their agency, C9 Entertainment, announced the group's first international tour visiting Japan, Taiwan, Malaysia, among other cities. (Source: Korean = Namu Wiki || Translation = MyDramaList) Watch drama online for free.