DSPメディア
Rumors of a fourth Japanese single first surfaced when the group was spotted leaving the Incheon International Airport and were said to be bound for Thailand to film a music video or a commercial. Despite the rumors, no official announcements or comments were made by DSP Media. On May 25, 2011, DSP Media officially announced that Kara will be releasing their fourth Japanese single in late June and will be leaving for previously-arranged promotions in early June.