The Strongest Beast

A system called [The Strongest Beast] breaks into your phone!

Start a chicken?

You find that the system can evolve a chicken into a three-legged golden crow!

Later, you find that you can also sign more pets for your own beast.

So, you start searching all over the world!

Later, you discover that the world is not simple, ghosts and monsters are rampant, and monsters are crowded!