It's was lights out

Min-Su player known as number 125 disappeared somewhere and you probably didn't even notice his disappearance, he was so quiet. Everyone thought that he was just a quiet and downtrodden guy. The type that you can't help but make fun of. Oh, if only one of them knew who he really was...

Suddenly, in the middle of lights out massacre, you feel like one of the guards knocks you out... and you wake up in an unfamiliar place...