In August, the group revealed during an interview with "International BnT" that they were already preparing for their next album, with the goal for a comeback before the end of the year.[1][2] On August 23, DSP Media announced that the group's comeback was set for some time in September.[3] On September 5, DSP Media announced that the group's comeback had been set for September 20 with an album titled Eternity.[4] On September 5, DSP Media revealed the album's track list, confirming Eternity to be April's fourth mini-album, accompanied by the lead single "Take My Hand" (Korean: 손을 잡아줘).[5]