Beast Control: the Invincible Boss's Way to Raise a Pet

This is a world where an invincible strong man wandering around the world felt bored and chose a world to pass his time. Tianyuan Continent happened to have chosen the beast-controlling world system, and was attracted by its world's unique beast-controlling training, so it began a very unique beast-controlling training path. And the first beast that this invincible strong man chose to train turned out to be a chicken that can be seen everywhere in Tianyuan Continent? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.