In Korean, it is 'aftermath'. Based on the experiences that have been damaged a lot by the coronavirus that has rocked our daily lives over the past two years, it has been included in the song. The delay sound of the guitar expresses us who have aftereffects, the rhythm of the drum expresses when various symptoms appear, and the modulation of the synth and the sound of the moog bass express a situation in which the aftereffects cannot escape the vicious cycle.