World System

In this world, all human, plant, and animal have system. To awaken their system, humans need to reach 17 years old but plants and animals have system from the start their live. There are many system, weak and strong system determined who and what you will become. Now let's follow how MC become the strongest in this world.. Note : english not my primary language and I just write this novel because I just want to and I am lazy enough to use translate or something so maybe there are many wrong grammar in my story