Checkmate (23)

Checkmate (체크메이트) is a four-member co-ed group under Grace Company Entertainment. They debuted on September 21, 2020 with the single album "Drum". Since the beginning of October, all references and photos of the member Nason have been deleted from the group's social medias and platforms. On November 4, 2020, Haechang was announced as a new member through a live on the agency's Instagram, and on November 19, Grace Company updated the group's description on their website, removing Nason's name from the line-up, and therefore, confirming his departure. On December 10, 2020, the agency confirmed that Nason and their newest member Haechang had left the group due to personal circumstances.