On the 10th, singer Sunmi's agency Abyss Company released her comeback teaser along with her 14th anniversary celebration through her official SNS channel. In particular, her comeback teaser has a specific date, which is drawing attention.

The 14th anniversary celebration of her debut that was unveiled on this day attracted her attention with a four-cut photo of Sunmi's lively charm and a handwritten letter from Sunmi to the fans who sent her support for her long time. Sunmi said, “I have Sunmi now because there are all of you who have continued to support her for 14 years. As always, thank you for always being all of my reasons. Let's love a lot this year, Miyane! “Our Miyane & Wonderful (Sunmi and Wonder Girls fandom names)'s Sunmi” showed off her special fan love.

Subsequently, Sunmi confirmed her comeback by releasing her new song comeback teaser containing the date of her comeback. Her comeback teaser, which catches her attention with her intense red color, is “2021.02.23. It says “6PM KST”, which is raising the expectations of her fans. Sunmi said earlier that she is preparing for her comeback in late February.