DAY6's Young K has released his second full-length album 'YOUNGEST', which has achieved strong sales and chart success, including a sell-out solo tour in Incheon and a successful debut performance in Yeongdeungpo. The album's lead single 'Shut The Door' has drawn critical attention and a music video teaser has been unveiled. Young K is also set to embark on a solo tour in Singapore in January 2027.