The Day The World Got A Leveling System

Earth was once normal planet. An alternate world where dangerous creatures existed, collided with our world and as a result, those same creature began existing here. People suddenly found themselves being able to level up and use magic. Some of these people even had special ability\'s .
However, not everybody changed.
These Kinds of people were referred to as \'Norms\'
Katsuya, the protagonist was once a \'Norm\'. Monsters were the reason why is life was miserable. With the help of an A.I, he was able to begin leveling up, getting stronger each time.
His over use of one of his abilities slowly started corrupting his thoughts, causing hims to lose a piece of his humanity each time. Will he become a full-blown monster in exchange for power? Or, will he be able to keep moving on without it?
This is not the story about the rise of a hero or savior. Instead, it\'s the rise of a monster with self-control.
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When reading, keep in mind that this still the first draft of the story. There may be spelling mistakes, grammar mistakes, plot holes ect. that I may not have noticed yet.
If you do so happen to notice any mistakes, be sure to point them out.