Lee Jong Suk Explodes with Beastly Masculine Charm in Never-Before-Seen Stills of "No Breathing"

Never-before-seen still cuts of Lee Jong Suk and Seo In Gook‘s training for his film “No Breathing” have been revealed!

Stills of Lee Jong Suk and Seo In Gook, the two leads of “No Breathing,” training for the past three months, have been released.

Many have been curious about Lee Jong Suk and Seo In Gook’s training since their bodies have gotten very muscular and fit for the film. The stills indeed show the actors’ intense training regimes from weight training to swimming lessons and running.

The cuts of Lee Jong Suk in the weight room are especially garnering attention for his intense “work out face.” Despite having a sweet, “nuna-killer” image from his past projects, these work out stills of Lee Jong Suk show a manly and beast-like image.

These stills really show how hard the actors physically worked for this film. “No Breathing” is currently playing in theaters in Korea right now.