Mature One Piece: New Life (One Piece fanfic)

Luffy dies at the age of 15 before he even starts his journey but due to an astronomical chance, a higher dimensional being and another dead person from another universe, he gets a new life equipped with the memories of a very different version of himself from our universe. Follow a self-aware Luffy as he goes through his life and journey in his dark fucked up world with knowledge about his own future as he drives everyone crazy with his endless talks of random stories and references no one has ever heard of and seemingly clairvoyant abilities.