At a press conference on May 28, 2017 regarding The EXO'rDIUM tour, Baekhyun revealed that the single from the next album was already finished, adding that both the group and the agency were satisfied with the result. During an interview for "Billboard" the same month, the leader, Suho, revealed that EXO would most likely make his return to the stage "in hot days"; in the next month, an agent of S.M. Entertainment confirmed that the comeback would be in summer. On June 23, S.M. announced that Lay would not participate in this comeback, due to his activities in China, which overlapped with those of the group.