Day6 is a South Korean rock band formed under JYP Entertainment's Studio J division, debuting in September 2015 as the agency's first band before Xdinary Heroes. Comprising members Sungjin, Young K, Wonpil, and Dowoon (with former member Jae departing in 2021), the group has carved a distinct niche in K-pop with their live instrumentation, emotive lyricism, and genre-blending sound. Known for their thematic "The Book of Us" album series, Day6 explores universal youth experiences through rock-infused melodies, with bassist Young K playing a pivotal role in writing lyrics that resonate with raw emotion and simplicity.
The band gained early recognition through performances at major events like KCON Japan and New York in 2016, as well as JYP Nation concerts, showcasing their ability to captivate audiences with tracks like "Letting Go" and "Congratulations." Their 2019 album 'The Book of Us: Gravity' and its lead single "Time of Our Life" solidified their reputation, followed by a 26-city world tour. Despite facing challenges, including member hiatuses due to anxiety disorders in 2020 and military enlistments, Day6 maintained artistic momentum, releasing 'The Book of Us: The Demon' with the introspective hit "Zombie."
After a near three-year hiatus, the group made a full-member comeback in 2024 with the EP 'Fourever', marking their return post-military service. Their ninth EP, 'Band Aid', released later that year, achieved a historic milestone as their lead track "Melt Down" topped Melon's Top 100—their first chart-topper since debut. Alongside group activities, members have pursued solo projects, including Sungjin's 2023 album '30'. Day6 continues to expand their global presence through tours like 'Forever Young' and 2024's 'Maybe Tomorrow' world tour, reaffirming their enduring connection with fans (MyDay) and their evolution as artists committed to authenticity and musical growth.