Player 212, named Han Mi-nyeo, has sex with Deok-su.
The two similar situations aren't that sympathetic.
It was repeatedly mentioned how Sang-Woo was the pride of his hometown and went on to be a great businessman.
The players are made to wear green tracksuits and are kept under watch at all times by masked guards in pink jumpsuits, with the games overseen by the Front Man, who wears a black mask and black uniform.
While checking the new members, however, Sang-woo becomes distressed as Gi-hun counts their teammates and notices that they still need one more person because Il-nam didn't bring anyone.
The reveal is one of the biggest twists of the season, but viewers who were paying close attention may have caught some of the hints leading up to this.