One Piece: Apocalypse Restart

One day, the end of the world comes, the sun is stained with blood, the moon is forever silent, everything mutates, human beings are reduced to the bottom of the food chain, and civilization is almost destroyed. Fortunately, a mysterious "black pillar" fell from the sky, bringing "dominance" and "devil fruits" to mankind! As long as everyone continues to hunt mutant creatures and obtain [funds], they can purchase designated devil fruits and continue to become stronger! As a result, capable people and overlords came into being, guarding the last living soil for mankind, and human civilization was able to continue through this, but the final protection also meant the final domination and exploitation... Ivan, male, is a young man who likes to watch One Piece. He traveled from a parallel world without apocalypse. He was surprised to find that no one in this human world that relies on "dominance" and "devil fruits" has watched One Piece! No, "One Piece" never existed in this world. He is the only person in the world who knows all the secrets of Haki and Devil Fruit!