A World with a System, Dungeons, Magic and much more.
Ouroboros was considered a masterpiece of game.
Yet was there something more to the world?
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"So you are saying my entire life is part of a video game?"
"Yes....maybe"
"And this world is going be destroyed?"
"Yes!"
"How?"
"That I am not sure of...."
"And this woman has experienced the end six times?"
"Yes! She's a regressor"

Dante stared at the man in front of him. Then he pulled out his shotgun and pointed it at him.
Rewriting for improvement.