Omniscient reader's viewpoint - One chance (fanfiction)

Kim Dokja failed the scenario and stucked on the horizon between the other world side. He thought he would be trapped forever but he couldn't give up. He has to save his companions no matter what instead he's the one who needs help...

However, a mysterious person appeared, he is not one of the characters in "Three ways to survive in a ruined world" and he was the one who killed Kim Dokja who almost success the scenario with just a single slash.

When Kim Dokja was confused...

"Do you want to get back to your original world? I mean...the earth that humans live peacefully before?"