Wanna One revealed the teaser images for their 'B-Side' digital single teaser images.

The card type teaser photos feature Wanna One's performances from the '2021 MAMA' with lyrics written by each of the members. 'B-Side' marks the third and final part of Wanna One's 'Beautiful' series. It's set to drop on January 27 at 6 PM KST.

As previously reported, the new song will be an 11-member version as Lai Kuan Lin, who is currently promoting in China, participated in "Beautiful Part.3" by recording his portion from his studio and sending it over to complete the track.

Stay tuned for updates on Wanna One!