Solo Leveling.

In a world where Hunters, human warriors who possess magical abilities, must battle deadly monsters to protect mankind from certain annihilation, One day, after narrowly surviving an overwhelmingly powerful dungeon that nearly wipes out your entire party, a mysterious program called the System chooses you as its sole player and in turn, gives you the extremely rare ability to level up in strength, possibly beyond any known limits. Create a journey as you fights against all kinds of enemies, both man and monster, to discover the secrets of the dungeons and the true source of your powers. Solo Leveling.