On June 7, Hyorin, Bora, Dasom, and Soyu got together for their goodbye stage. The girls performed their final track ''Lonely'', which managed to achieve an all-kill soon after its release.  

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Now, the girls have officially completed all promotions for SISTAR following their disbandment. 

Thank you for the 7 wonderful years. Hopefully, we can see you reunite in the future.