Action thriller 'Three Days' released more behind-the-scenes footage of their star, Yoochun, who has been relentlessly serious and tough as the president's bodyguard in the drama.

SEE ALSO: 'Three Days' show Yoochun and Park Ha Sun's chemistry in behind-the-scenes videos

However, this video showed that there was indeed a good balance of work hard, play hard as Yoochun cutely snacked on a sausage during down time and was unable to hide his smile for his scene with Ahn Gil Kang.

Check out the video above as you wait for the next episode!