Twelve years.
I crawled my way out of a literal hell, surviving through sheer grit for twelve long years just to return home.

I thought my suffering was finally over. I thought I could finally live a peaceful life with my family. I even thoroughly disposed of the human trash that dared to touch them while I was away.

But the very moment I tried to settle down in my hometown... the world ended.

[Rule: If it's human, I shall not antagonize.]
[Rule: If it's NOT human, it dies.]

Armed with a newly awakened system and absolute power, my brutal journey back to my family begins now.