When Transition became popular , Fly to the Sky made a special edition , which had more music videos , deleted scenes and the more songs titled `` Hwan Sang ( Illusion ) , '' `` Hot and Cold , '' and `` When I Say . '' To commemorate the success of Transition , Fly To The Sky released a special new edition , which included music videos , deleted scenes and the additional tracks `` Hwan Sang ( Illusion ) , '' `` Hot and Cold , '' and `` When I Say . ''