Through Korean online music portal site, Bugs! coming soon page, it was revealed that Jieun will be releasing her solo single, “Going Crazy,” on March 3, 2011 through various music portal sites.
Lewat situs portal musik Korea, Bugs! halaman yang akan hadir, menandakan bahwa Jieun akan emrilis singel debut, “Going Crazy,” pada 3 Maret 2011 lewat berbagai situs portal musik.