DIGITAL CODE SET + SECTION 1 'WALK THE LINE + SECTION 2 'BEYOND THE LINE' + SECTION 3 'SERENADE FOR ENGENE' + SECTION 4 'ROMANCE' + BEHIND THE SCENES ‘CONFIDENTIAL DOCUMENT’ DIGITAL CODE SPEC : STRING BRACELET / CHARM / DIGITAL CODE PAPER / [144p], [270p], [360p], [480p SD], [720p HD], [1080p FHD] / KOREAN, ENGLISH, JAPANESE, CHINESE