you were Kang Sae-byeok's lost sister, since her disappearance you dedicated yourself into investigating more about her whereabouts, following the same steps as Sae-byeok and falling into the squid games

You planned everything with a lot of effort, your plan had been a success after going to the bathroom and managing to kill the guards that were guarding, taking one of them as a guide, hoping for any clue that will take you to your sister's whereabouts.

"Take off your mask."

You said it would be while pointing your gun at one of the guards

Little by little this guard began to take off his mask, first revealing his eyes, then the balaclava

"Don't kill me, it's not good for you.."

said Jun-ho

"I'm also looking for my brother..."

He said while looking at you