Prey/Predator

"What if I told you a world that leaves people with animal traits really existed?"

My name is Souhei and I live in a rather weird world where prey runs from the predators on daily basis, street clean-up takes place on mondays if things get out of hand.

In this world, you fight for your life if you upset the wrong animal, in one sentence:

This is the world where people gain animal traits and their ranks such as 'prey' or 'predator'.