Study Monster Cultivation System - Chapter 345: Most things that are known to be wrong... can’t be changed.

In the current era, people are either normal or are with ‘special abilities’. Cases related to the latter are managed by the “National Anomaly Prevention and Control and Special Species Management Office”.
Qi Zheng Emperor Sheng Lingyuan was reawakened a thousand years later after he jumped off the fiery Red Lake. Xuan Ji, a newly transferred staff to the Reparations Division of the Deviant Control Office, finds himself having to clean up the mess of a revived tyrannical monarch. The two seemed to share something from the past, but unbeknownst to them, a big conspiracy is stirring right underneath their noses that could destroy the balance of the world.

- Description from Novelupdates

It was just like any other day, or so I thought at least. The birds were chirping up on trees, clouds were rolling by the bright blue sky and Elves were dumpster diving in the alleyway.

Okay, one of those three didn’t sound right...

I had a boring life once. Recently though, it has become less boring... to put it one way.

Finding a random Elf in the dumpster? Heh, must be a Monday.

A normal person would have walked by. A normal person would have ignored it.

I must be a pretty weird guy, then.

Now I have this Elf swearing her allegiance to me. What’s next, vampires?

Every drop of this family bloodline is stained with sin. They are the embodiment of contradiction; calm yet maniacal, with great memories yet often forgetful. They pledge themselves to their dreams yet often compromise, are angels that are also devils… It’s why I hate them. And also love them.

The only hope of his family, a youth with the blood of elves and devils walks on a battleground of annihilation and rebirth. He wills his way through boiling lava and icy depths, killing on this field of despair to strike down the lofty figure in his sight. One day he’ll grasp his blade tightly and survey his surroundings, only to find no more enemies to kill.

When she woke up, Lake returned to the classroom of the third year. The classmates were in class with swords and sticks, and the teacher became a female Taoist.
The little fat man in the back seat, how to put two big hammers under his chair.
Rick found this to be a global era!

- Description from Uukanshu (translated)