Atran disappeared back into the portal, clearly knowing what was going to happen next. Yeon-woo looked at his doppelgangers. 

“What is this?”

“I thought this might be the case. There are quite a lot of them.”

“This will be annoying.”

Some of the doppelgangers muttered, others stood silently to observe the situation, just as Yeon-woo normally did whenever he found himself in a dangerous situation. The thirty-fourth floor was about self-denial. ‘I have to figure out which one of us is the real me.’

Mirrors were the only things that created reflections, and there was a danger that a doppelganger would swallow up the real player. However, each doppelganger would be convinced that they were the real player and everyone else was fake.

The countless mirrors allowed the reflections to move freely, and so it was difficult to figure out who was real and who wasn’t. The doppelgangers could kill each other until only one was left. However, there was a danger that the real player might die, and the doppelgangers would disappear.

Players could discuss with the doppelgangers to figure out which one of them was the real player. Once they discovered this,...