From the Other World

Seventeen hundred years ago, the previous empress Ren Gyokuen died. Ever since then, her son Ren Hakuryuu had ruled over the Kou Empire. The world filled with war, magic, dungeons, magis and adventure disappeared. The only two existing countries are, Kou and Sindria. Magic is a fairytale. Mankind doesn't understand the world's logic anymore. Are they able to change the world?AU-ish