You read a Novel once, it was an Action themed Novel, titled; "Three Ways to Survive'', you loved it. But you weren't able to finish it before the world was plunged into chaos. The train you're in is full of bloodshed.

You think you're about to die, until somebody forces the door to your train carriage to open and enters it. You recognized them just by looks.

"Yoo Joonghyuk.."

His sharp eyes connect with yours, and he demands.

"How are you still alive? Tell me."