Secret Number
SECRET NUMBER
“What's your number? Hello, we are SECRET NUMBER!
”<cite>—SECRET NUMBER</cite>
SECRET NUMBER (시크릿넘버) is a five-member girl group under Vine Entertainment. They officially debuted on May 19, 2020 with the single "Who Dis?".[1]
They were originally set to debut on March 26, 2020, but it was postponed due to the worldwide outbreak of COVID-19.[2]
History
2019–2020: Pre-debut to debut
On Decem...