The country is divided into three parts: Southern Capital, Central Plains and Northern City. For thousands of years, it was an agreement that they would enjoy peace and prosperity without interfering with each other and enjoy their own prosperity.
There are three races, the blood race, the feather race and the demon race. The leaders of each tribe cannot be enemies with each other, otherwise they will hurt both sides, so they have an agreement and will not violate it.
Vampires have red eyes. If there is still a drop of blood in their bodies, they will never die.
The Yu clan has white soft wings, those who can fly freely in the air are excellent weapons.
Demons are no different from humans in general. They are good at using all kinds of strange techniques, which are magic.