“이사” (Moving On) is a song by BTS that reflects their experience of moving from their old living space as trainees to a new one, leaving memories behind. The song captures the mixed emotions they felt during their trainee life and debut, as well as the emotional complexity associated with moving. It ends on a positive note, with RM emphasizing the strength of their unity in overcoming challenges. Suga, one of the members, mentioned that the inspiration for the song came from the simple idea of writing about moving since they were going through that experience. The lyrics touch on personal experiences, including Suga’s mother’s illness and his own journey from his hometown to becoming a trainee. The song also expresses the desire to continue moving forward and reaching higher levels in their careers. Overall, “이사” is a reflection on personal growth and the changes that come with it.