He Awakened the King of Fighters System!

Inside a dim underground boxing ring, the air reeked of something indescribably foul.

Countless prisoners in uniforms, their necks fitted with power-suppressing collars, stood in the room, which was as stifling as a steamer. They clenched their fists, eyes bloodshot and veins bulging in their necks, shouting at the top of their lungs with all their strength.

This was one of the world's most notorious prisons for superpowered people, where the most heinous and dangerous criminals were locked away. Any one of them deserved to be hacked to pieces.

But by now, they had long since forgotten who they were,