DAY6 "반드시 웃는다(I Smile)" Teaser Video - Sungjin Listen to DAY6 "SUNRISE" on iTunes & Apple Music: https://itunes.apple.com/album/sunrise/id1245488390 DAY6 Official YouTube: http://www.youtube.com/c/DAY6Official DAY6 Official Facebook: http://www.facebook.com/DAY6Official DAY6 Official Twitter: http://www.twitter.com/DAY6Official DAY6 Official Fan's: http://fans.jype.com/DAY6 DAY6 Official Homepage: http://DAY6.jype.com Copyrights 2017 ⓒ JYP Entertainment. All Rights Reserved.