-'Comback D-3', MV Teaser + Sound Source Intro to reveal some! #Powerful #Powerful #Cleaner with more sound to warn you to believe! 

-Days DAY6's emotional song that I want to convey in the title track "Let's Be One Page" and "The Beginning Point of the Relationship" this summer!! 

DAY6 (Daysics) released a teaser for the music video of its new song "Let It Be One Page," bolstering its belief that it is "believing."

JYP Entertainment (JYP) released the MV teaser for "The Book of Us: Gravity," the title track of its fifth mini album, on DAY6's official SNS channel at midnight today (12th).

The teaser video features the DAY6 members, along with the intersecting of colorful lights, adding to the passionate performance of the instrument to focus their attention. In addition, part of "So that it can be a page" will be unveiled for the first time in such colorful visuals, adding to the curiosity about the euphemism and full-version MV.  

DAY6's fifth mini album, "The Book of Us: Gravity," will feature a total of six tracks, including the title track "For Me," "How to Love," "I Want to Return," "Packing" and "Best Part." Like the previous one, the members participated in writing and composing the entire song this time, completing an album filled with DAY6's colors and sensibilities. 

"So that it can be a page" expresses DAY6's emotions by adding a sound to the heart that you want to convey at the beginning of a relationship. DAY6, which has sung "Youth" and brought sympathy and a cry, will also present a page to fans and risers to remember this summer with a song full of DAY6's emotions. 

Following the release of the new album, DAY6 will kick off its 2019 world tour "DAY6 WORLD TOUR "GRAVITY," starting with Seoul from Aug. 9-11. 

From June last year to encore concerts held at the SK Olympic Handball Stadium in Seoul's Olympic Park on March 30 and 31 this year, it will prove the solid status of the "K-pop flagship band" with its second world tour following the "24 cities around the world, 28 performances."

Following its three-day run at Jamsil Indoor Stadium, the concert in Seoul, which is the largest of its kind, expanded the scale of the tour to a total of 26 cities and 31 new tours to Europe, including Asia, Milan, Paris, London, Amsterdam, Berlin, Brussels, Moscow, Lisbon and Madrid, including North America, North America, Melbourne, Dallas, and Sydney.

DAY6's fifth mini album "The Book of Us: Gravity" and the title track "Enable to Be a Page" will be released at 6 p.m. on each of its music sites.