The Devil Is Above

This is a world where humans, demons, and strange beasts coexist. The human race is smart and studious. They have advanced technology and gorgeous magic. The demons are brave and warlike, and their powerful bodies and runes are enough to keep them standing, but they also master a terrifying thing - alchemy. The alien beasts have the most primitive concept of 'the weak eat the strong'. They fight, devour and evolve with each other. The three populations are like a solid triangle, balancing and restricting each other. But the wheel of history never stands still...