Legendary Talents Create the Strongest in the World

Guinevere woke up and traveled to another world, gaining the same abilities as a certain pick-up girl. He thought it was a simple adventure story in another world, until one day he discovered that he could travel to different worlds in his dream, and heard a girl pull out the sword in the stone, and an assassin opened an unparalleled weapon on the battlefield... "So what kind of ghost world is this?"