18-year-old 15& member Baek Yerin will be making her solo debut.

On Wednesday, Nov. 25, the video teaser for her upcoming solo single titled "Across the Universe" was uploaded on JYP Entertainment's official YouTube channel.

Showcasing her soft yet powerful vocals, fans are loving the video teaser and cannot wait for the full music video release.

"That was so pretty! I am talking about her, her voice and this whole teaser! Yerin hwaiting!!," wrote YouTube viewer Kitto Katto, in the comment's section of the video.

"Across the Universe" will be contained in her first album Frank, which is scheduled to be released on Monday, Nov. 30, at 12:00 a.m. KST. The song was created by Baek Yerin and producer Cloud.

15& is a duo group-consist members Park Jimin and Baek Yerin. They made their debut on October 5, 2012, with the release of single titled "I Dream." 15& is a combination of their ages at the time of debut; "&" means that they can have success in the future.

Their last promotional activity was on May 26, 2014, with release of full-length album Sugar.