Ha Sung Woon is dropping a surprise winter single!

On December 24 at midnight KST, the former Wanna One member revealed a short music video teaser for the song "Returning December Tale" (lit. trans). In the video, various winter scenes play on a vintage television set while Ha Sung Woon's soft vocals can be heard in the background.

The single is set for release on December 25 at 6 PM KST.

Check out the teaser above!