BTS dropped another teaser video for their upcoming concert, 'BTS BEGINS'!

The members look like bad boys dealing with a troublesome teacher, leading to the explosive title, 'Episode II: The Red Bullet,' before transforming into more sweet boys casually walking the streets in the warm light ending as the video flashes 'Episode I.' 

SEE ALSO: BTS is now the top selling artist in Reiwa era in Japan

While their first concert was called 'Episode II,' this second concert is called 'Episode 1' as the boys delve into behind stories starting from their debut.