BTS BUTTER5/21(月) 1:00 新曲発表😍BTS (방탄소년단) 'Butter' Official TeaserBTS (방탄소년단) 'Butter' Official TeaserBTS (방탄소년단) 'Butter' Official MV will be released at 1PM (KST), 12AM (ET) on May 21, 2021Credits: Director: Yong Seok Cho...youtu.be