They are looking all the mansion.

"This mansion is too big." Sungyeol said.

Dongwoo go to the kitchen and saw a skull.

"AHH!" Dongwoo said.

All of them go to the kitchen.

"What happen?" Sunggyu asked.

"I saw a skull!" Dongwoo said.

"This is a real skull!" Hoya said after touch the skull.

"So?" Sungjong said while looking at his hyungs.

"AHH!" all of them shouted.

They go to the front door and saw a letter.

Dear Infinite,

I think you accept my challenge.

Now, let's play a game.

One of you is fake.

If you find it, you must kill him.

And don't sad if you kill the wrong ones.

I give you weapon in the room

and good luck. 

                  sincerely,

                  ANONYMOUS.

"What he mean 'fake'?" Hoya asked.

"I think one of us is someone else." Sungjong said.

"Who is it?" Sunggyu said.

"It not me!" Sungyeol said.

All of them looks at Sungyeol.

"What?" Sungyeol said.

"Why you said 'It not me'?" Hoya asked.

"Maybe you are the fake one." Woohyun said.

They hit Sungyeol.

L kicks Sungyeol.

Woohyun punch him.

Sungyeol faint.

"He not the fake one" Sungjong said.

6 o them go to the room.

They saw gun, bat, knives and other things.

"How to kill the fake ones?" Hoya asked.

"We take the knives and stab him." Sunggyu said and takes a knife.

"Or shoot him." Sungjong said and takes a gun.

"But who is the fake ones?" L asked.

Then, L saw something behind Sunggyu.

He shoot him.

Sunggyu die.

"L!" Woohyun said.

L touch Sunggyu face.

"It a mask!" L said.

"What?" Hoya said and pull the mask.

"It is not Sunggyu." Dongwoo said.

Then, Sungyeol come.

"Sorry because we hit you." Sungjong said.

"It okay. BTW, I found this letter." Sungyeol said.