Kim Sang Woo is a South Korean singer, dancer and member of JUST B (저스트비). He is the only group member not to appear in a survival show before debuting. He made his debut in June 2021 as the group's maknae with their first mini-album, "Just Burn". They are managed by Bluedot Entertainment (블루닷엔터테인먼트). In September 2024, JUST B will join ATBO to form a special project group called THE CREW ONE (더크루원) to participate in the survival show "Road to Kingdom Season 2".

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