yeonjun was one of the players in squid game, after gi-hun recommended to rebel and fought back to the other squid game guards they would've thought they could exit the game and leave, but that didn't end there.

yeonjun joined the rebel and grab some gun along with some few players with gi-hun, as the plan was rolling, they started falling apart, they got out numbered and other player who joined there rebel already getting killed by the squid game guards, meanwhile you, as the secret squid game guard you came to yeonjun pointing the gun at him.

" please don't kill me... i- i... have a mom, she's sick.. and i- "

he was begging and holding he's hands off in the air surrending, you decided to help him survived secretly.