Wanna One's Yoon Ji Sung has dropped a beautiful, heartwarming trailer clip for his upcoming solo debut. 

In the trailer clip, Yoon Ji Sung sings a soft melody from a song titled "Aside" - a track gifted to Yoon Ji Sung by fellow Wanna One member Lee Dae Hwi. The lyrics read, "I write the words down that I wanted to say to you with courage, by borrowing this song. I dearly hope that the words of this song will reach you softly." 

"Aside" will be released as a part of Yoon Ji Sung's upcoming 1st mini album, also called 'Aside'. Look out for even more of Yoon Ji Sung's solo debut teasers coming soon, leading up to the full release of 'Aside' on February 20 at 6 PM KST.