A young man from the 21st century transmigrated to another world, where the more characters you could memorize, the more powerful you became.
Though he had no System or golden finger, he had a photographic memory! And he also had an unusual memory palace!
His photographic memory collided with the extraordinary power system of the other world, creating dazzling sparks.
Theme: No golden finger is useless; only the person using it can be.
