Red Velvet's comeback teaser has become a hot topic in the online community in Korea.

Netizens who watched the teaser showed reactions such as "Comeback as a whole in two years!", "Irene is so pretty", and "Congratulations on the 7th anniversary!" etc.

Red Velvet is a K-pop girl group formed and managed by SM Entertainment. They originally debuted on August 1, 2014 with the digital single "Happiness" with the four-member line-up of Irene, Seulgi, Wendy and Joy. The fifth member, Yeri, joined the group in March 2015, following the release of their first mini album, Ice Cream Cake.