After experiencing the big explosion, the elves were severely damaged, but humans were completely wiped out. The world is rapidly falling apart.
The transformation agent jointly developed by the Murong family and the Yu family turned chaos into a period of glory.
The elves gained a human body and also gained the ability to control mechas that humans did not have.
But as time went by, the elves found that there was no pain in human culture. At this time, the elves who master the skills of the ancient earth become extremely precious.
And I am the one who is here to carry forward my ancient earth skills.
--Um? You ask me what skills I have mastered? It's very simple, I really want to have only one forever!
——Yes, I am a detective.
[I wouldn't say that the original background setting was the Purcell...]