Story background:
This is a diverse world, and there are less than 0.01% Of ordinary people who are orcs. One of the few extreme people in the world.
Orcs refer to people with animal characteristics and abilities. The specific animal is determined based on the person's DNA and personality.
Ordinary people, just normal people.
Straight-line people can be completely transformed, and have a variety of abilities to completely disguise themselves as ordinary people and live forever. It can be found through blood tests, and there are currently no more than 10 in the world.
Intention: Study hard?