BTS (방탄소년단) '2.0' Official MV

BTS’s '2.0' music video is the list’s juggernaut, with 18.7 million views and 2.9 million likes in just over two days—an engagement rate that surpasses every other entry combined and is 15 times higher than the average for K-pop releases on YouTube, demonstrating a fandom-driven explosion that sets a new benchmark for viral music videos.