According to JYP Entertainment, Day6’s Young K is set to return as a solo artist with his second LP “Youngest” on July 27, marking Young K’s first solo album since releasing "Letters with notes” in September 2023. Alongside the announcement, the agency unveiled a prologue teaser image through Day6’s official social media channels. The image featured fragmented reflections of Young K’s face across broken glass, with a key engraved with the initials “YK,” sparking curiosity about the upcoming rele