[MelOn Premiere Showcase] Part 2: SEVENTEEN _ Pretty U, Still Lonely & Love Letter

[MelOn Premiere Showcase] Part 2: SEVENTEEN(세븐틴) _ Pretty U(예쁘다), Still Lonely(이놈의 인기) & Love Letter(사랑쪽지) ***** Hello, this is 1theK. We are working on subtitles now! Please come back and watch it again within a few hours. Thank you for your waiting and continuing interest :) ***** The New SEVENTEEN! Oh, Pretty U, SEVENTEEN! SEVENTEEN returns with the first full-length album [LOVE & LETTER]! Watch the SEVENTEEN members put on a parade of imitations! Don’t miss out on the special stages by SEVENTEEN uni