Park Seo-joon's back muscles
Published on | Source
Park Seo-joon revealed his back muscles in a photo posted on his Instagram. Park Seo-joon appears to be in a gym, working out. His back muscles stand out. Netizens compliment his healthy physique.
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Park Seo-joon recently starred in the KBS 2TV drama "Fight For My Way" and the movie "Midnight Runners".