J-pop idols will either be happy or freaked out to have such hardcore fans – they’ve memorized the dance moves down to a T, and can perform it in sync with their idols!
The fans in the front row can be seen actively participating in the idol’s performance by dancing along to the song.
The song performed by a girl group was originally a Vocaloid song, which is a popular voice synthesis program.
The video uploaded by 서은석 on Facebook on Dec 12 last year, the video has gone viral with over 5.7 million views.
Watch the video down below, and check out the gallery to see pictures of the fans crazy yet accurate dancing!