Original Synopsis: The change that had started, so that a God may rid himself of his boredom.
The diary of Kang Hansoo who had come back in order to save humanity which had been destroyed by the change.
Ekdud’s Revised Synopsis: A bored God suddenly decides to create a whole new world called the [Abyss] in order to solve his boredom. Humanity gets forcibly sent into this world along with other races and creatures where they needed to kill, adapt, improve and struggle in order to just barely survive. Now, after the final 100 remaining humans had all been killed, their hopes has been handed over to Kang Hansoo. Kang Hansoo received the chance to go back in time...
This is the diary of Kang Hansoo and his path to saving humanity.