Kangin's dirty laundry has been revealed. The photo was taken during the filming of "Funeral Service for a Cat".

Kangin tweeted the picture himself with the caption, "We're working so hard my socks got all dirty. I'm very proud of my costar Park Se Young who's more professional than I am."

The picture shows Kangin and Park Se Young taking a break from the filming of the movie, with the focus on Kangin's socks. Both of his socks appear to be very dirty, presumably from a rigorous day of filming.

Fans responded by saying "Your socks are really dirty" and "You must be giving it your all".

The two stars, Kangin and Park Se Young, are currently filming the movie "Funeral Service for a Cat".

Photo credit: Kangin's Twitter