DAY6 started its music broadcasting activities on Oct. 24 with Mnet's "M Countdown."

DAY6 released its third full-length album "The Book of Us: Entropy" on Oct. 22, in Mnet's "M Countdown" on Oct. 24, in KBS2's "Music Bank" on Oct. 25 and in MBC's "Show" on Oct. 26. They appear in a relay in 'Show! Music core’ and stage a comeback.

The new song "Sweet Chaos" topped the Bugs' real-time chart on Oct. 22, showing the power of "DDAY6" to believe and hear. The new album reached the top of iTunes album charts in four overseas regions, including Singapore and Ukraine, on Oct. 23.

DAY6 is continuing its popularity with its new song "Sweet Chaos," following its first music chart-topping spot with the title track of its fifth mini-album released in July.

On Oct. 22, they met fans on Naver V LIVE's "DAY6 'The Book of Us: Entropy' Showcase" to mark the release of their new album.

The title track, "Sweet Chaos," is a song that has touched the hearts of risers with numerous great songs. DAY6 participated in writing and composing songs.

DAY6’s The Book of Us: Entropy, a new album named in the songwriting credits, is available on various music sites.