Jin and Jungkook playing around while boxing during preparations for the Jimmy Fallon Show.

Boxing while preparing for the Jimmy Fallon Show stage

It looks like BTS members Seokjin and Jungkook are messing around lol

First, the eldest hyung Seokjin is teasing the youngest, Jungkook, by doing boxing one-two-twos.

Kind Jungkook who accepts that too~~

As they smiled while casually dodging the punch Seokjin threw, both of them

I think he's so cute lol. And Seokjin is such a prankster.