GFriend wuxuu ahaa lix xubnood oo ka tirsan kooxda gabdhaha Koonfur Kuuriya oo ay sameysay Source Music sanadkii 2015. Kooxdu waxay ka koobnayd Sowon, Yerin, Eunha, Yuju, SinB, iyo Umji.  GFriend wuxuu ku guuleystay abaalmarino badan oo 2015 ah wuxuuna sii xoogeystay tan iyo markii ugu horeysay inkastoo uu ka yimid shirkad yar. GFriend ayaa sidoo kale noqday kooxdii ugu horreysay abid ee gabar ah oo lagu wareysto Grammy Mini Masterclass, oo ah taxane wareysi oo ay soo qabanqaabisay Xarunta Gummy's Museum Experience Prudential Center halkaas oo fannaaniinta, shaqaalaha warshadaha muusigga, iyo fannaaniinta ay ka hadlaan muusigga si ay saameyn ugu yeeshaan dhallinyarada. "New Rookie Group GFriend Makes Debut with ′Glass Bead′ MV". GFriend Spills on SNSD Comparisons, Role Models and More. 여자친구, 그래미 뮤지엄 인터뷰..."K팝 걸그룹 최초, 초대 받았다".