SECRET NUMBER girl group under Vine Entertainment debuted in May 2020 through a song titled “Who Dis?”. The song managed to steal the attention of music fans, both national and international. This also makes Secret Number nicknamed the Rookie Monster

The song "Got That Boom" is the first comeback as well as the second single from the girl group Secret Number. This album contains two songs, namely "Got That Boom" and "Privacy".
The group consisting of Soodam, Lea, Jinny, Denise, and Dita chose a mix of various genres for their comeback song. Quoting Soompi , "Got That Boom" carried the EDM, house, and hip hop genres.