" Everyone sing to us! " woo!ah! (우아) is a five-member girl group under NV Entertainment. Originally as six, they debuted on May 15, 2020 with the single album "Exclamation".
On March 20, 2020, NV Entertainment announced the launch of their first girl group and revealed its debuting name to be woo!ah!. On April 24, a teaser scheduler revealed the release of the group's first single album "Exclamation" was set for May 13. However, the album's release date was later changed to May 15.