BTOB YOOK SUNGJAE released the project single "3X2=6 Part 1" on Dec. 26.

YOOK SUNGJAE’s project single "3X2=6" is a project to release two songs each month for three months. 

The theme of the first part, which was unveiled on Dec. 26, is "Singer YOOK SUNGJAE," which includes writing and composing the title track and growing up as an artist, as well as images of fans and the public as a ballad singer through the track.

The title song "陸" is a melodic modern rock genre, and YOOK SUNGJAE took part in writing and composing lyrics to show off her appearance as an artist.

The track "From Winter" is a calm, lyrical ballad song that looks at the ever-changing snow and speaks of love that has yet to stop.

Expectations are gathering on the new appearance of YOOK SUNGJAE, who showed off his excellent vocal skills as well as writing and composing skills through his solo single project "Piece of BTOB" with BTOB members in 2017.

Meanwhile, YOOK SUNGJAE’s project single "3X2=6 Part 1" was released on various online music sites at 6 p.m. on Dec. 26.