Park Seo Joon recently made everyone laugh by confessing something about his close friend BTS' V.

On July 26, Lee Byung Hun, Park Bo Young, and Park Seo Joon appeared as special guests on 'MMTG' to promote their upcoming film 'Concrete Utopia.' 

On the YouTube channel show, host JaeJae prepared a sketchbook filled with various photos of different hot topics that each actor was embroiled in. The first photo she brought out was Lee Byung Hun's performance during his fan meeting in Japan. He shared, "The organizer of the concert told me, 'Fans love your unique smile, and if you don't smile, you look so scary.' So I kept dancing with a smile. But I didn't know I'd look this robotic."

For the next photo, JaeJae talked about an instance when Park Seo Joon was caught staring at V, waving his hands, and blowing a kiss to the crowd. But Park Seo Joon's face seemed somewhat baffled by V's gesture.

Park Seo Joon went to explain his facial expression and shared, "To be honest, I'm saying this because we're so close. There is this (gesture) that Taehyung does with his head (slightly tilting to the side). I hate seeing those things. I am thinking 'Why does he need to do that?' But I get fascinated because he does it so naturally."

Their ability to be refreshingly honest with one another is evident, showing the authenticity of their friendship.

You can view V's gesture at the 4:00 mark in the video below.