Posted in Debut, SECRET NUMBER SECRET NUMBER Debuts Kpop Kitty May 19, 2020 Leave a comment On May 19, 2020, SECRET Number debuted with the track “Who Dis?” from their single album Who Dis?. Album Music Video (MV) Check out their profile page, for more information about SECRET Number! This article is also published as a forum topic here » Author: Kpop KittyThis is my about me! Twitter Facebook Related Articles EVERGLOW Debuts! Kim Wooseok Debuts… Again E’LAST Debuts TREI Debuts!