Royal Roads: Shadowed Ninja

Nara Shikamaru dies and is reborn, in our world, retaining his memories. His name is the same and his parents have the same names and appearances. He grows up being hailed as a genius with an unparalleled IQ. He has no chakra in the real world, but he does spend his days training his body physically with knowledge from his past life. He joins Royal Roads the game.