Park Jung-bae is a character in Squid Game. He is a former member of the Republic of Korea Marine Corps and best friends with Seong Gi-hun.  He appeared in the first season, betting on horse races with his best friend. Jung-bae joins the games to pay back his financial debt to his creditors. He joins Gi-hun's team and bonds with some other players, such as fellow marine Kang Dae-ho. He witnesses In-ho kill someone during Mingle, but he sadly never gets a chance to warn his best friend. Make this costume more accurate with a 390  patch and an "X" patch to affix on the tracksuit jacket

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