Must Have

"Must Have" is the first single album by ATBO. It was released on November 27, 2023 with "Must Have Love" serving as the single's title track. This release is their last with member Seok Rakwon, following his hiatus from group activities in March 2024, and his departure in May. It is also the group's last release as IST Entertainment announced their disbandment on December 17, 2025.

1. 1.[MV] ATBO(에이티비오) _Must Have Love
2. 2.ATBO 1ST SINGLE ALBUM [MUST HAVE] 'Mayday' OFFICIAL AUDIO
3. 3.ATBO 1ST SINGLE ALBUM [MUST HAVE] '우린 뭐 없이도' OFFICIAL AUDIO
4. 4.ATBO 1ST SINGLE ALBUM [MUST HAVE] 'Must Have Love (Eng Ver.) (Duet)' OFFICIAL AUDIO

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