Stray Kids member Lee Know (real name Lee Min-ho) will begin his military service in the first quarter of 2027, becoming the first member of the group to fulfill his mandatory service. His agency JYP Entertainment announced on the group's official social media on November 5 that Lee Know plans to enlist in the first quarter of 2027, adding that the exact enlistment date and type of service have not yet been disclosed. JYP explained that, as a result, Lee Know may not be able to take part in some of the team's schedules planned for the first quarter of next year. Until his enlistment, he plans to meet the fandom STAY through various content and individual activities. The agency asked fans for their understanding regarding the sudden announcement and said details that are difficult to share now will be announced separately later. Lee Know previously spoke about enlistment at a press conference in August for the mini album "THIS & THAT," saying, "I think the duty of national defense is a given," and that he would faithfully carry out his duty when called. He added that the team had not yet discussed specific plans for after the military hiatus, but that it was certain the members would come together again, asking fans to wait for them.