Formed Girls On Top, SM Entertainment. New teaser photos released. BoA, Tae Yeon and Hyo Yeon from SNSD (Girls' Generation), Seulgi and Wendy from Red Velvet, KARINA and WINTER from aespa. A special performance will be held on January 1, 2022, and the song will be released at 6 pm on January 3. .. ..