On April 20, Universe released the cover image of the song. The song has the beats per minute of 116, is in the key D major and has a duration of 3:04. The song was produced by hip-hop producer GroovyRoom and written by the leader of (G)I-dle, Soyeon and multi-talented female singer-songwriter Kriz with lyrics suitable for the song concept of dark witch. "Last Dance" is a deep house pop song that provides fun listening with chic and powerful vocals and rap.
(G)I-dle became the fourth act to participate in the Universe Music series after Iz*One, Sumi Jo and Rain, and Park Ji-hoon. The song has since become their first release as a quintet following the announcement of Soojin's permanent departure from the group on August 14. Pictorial, making-of video and music video was also re-edited and will centre around the remaining members.
The statement concluded that the song's composition and lyrics have been modified. Universe announcing the song released by (G)I-dle's five active members, Therefore, we have decided to adjust the existing structure." Universe discussed with (G)I-dle's agency Cube Entertainment about the song and music video, and considering the contractual relationship with distributors and partners and both tangible and intangible losses, we decided that it would be difficult to re-produce everything again. However, an issue related to (G)I-dle's Soojin occurred in March, and the group is currently working as a five-member group. GroovyRoom)", making the music video, and creating additional content in February, and we had planned to release them at the end of April. "(G)I-dle finished recording "Last Dance (Prod. GroovyRoom)" without Soojin following her, at the time, temporary hiatus from the group which was announced in early March.
On April 19, 2021, Universe announced that they have decided to release "Last Dance (Prod. The app was launched on January 28, 2021. On November 16, (G)I-dle was the fifth artist to join the platform.
In November 2020, NCSoft and its subsidiary Klap announced that they will release the K-pop entertainment app Universe, an all-in-one platform that allows global fans to enjoy various online and offline fandom activities on mobile, combining the latest IT technologies such as Artificial Intelligence (AI).