The reading order of the novels in the Sword and Sword God Realm is suggested as follows: 1 " Sword Art Online SAO ": The main location of the story is at SAO, where the story of the main character Kirito and the other characters is told. 2. Sword Art Online: The main location of the story is in the ALO, where the story of the main character Kirito and the other characters is told. [3]" The Legend of the Sword and Sword Realm ": Although this is the name, it is actually an independent novel that has no direct connection with the " Sword and Sword Realm " series. 4 " Sword Art Online, D-Graeme ": D-Graeme was the villain of SAO. The story mainly revolved around them. 5 " Black-clothed Swordsman in the Sword and Sword God Realm ": The main location of the story is the world of black-clothed swordsmen. It tells the story of the main character, Kirito, and the other characters. The above is the recommended reading order. You can choose according to your preferences and needs. If you are interested in the world of black-clothed swordsmen, you can read the Black-clothed Swordsmen of the Saber-sword Divine Domain and the Black-clothed Swordsmen of the Saber-sword Divine Domain.