However, when Sulli did not appear in the next few Red Light promotions and f(x)'s Korean promotion schedule was abruptly cleared for the rest of the month, it led to speculation that Sulli would be leaving the group (or that the group itself would be disbanding).
Tetapi tidak tampilnya Sulli di beberapa promosi Red Light berikutnya dan jadwal promosi f(x) di Korea mendadak dikosongkan hingga akhir bulan menimbulkan spekulasi bahwa Sulli akan meninggalkan grup (atau grup dibubarkan).