Lori Sajan

You've been summoned to another world to defeat the Demon Princess(Lori) and her armies. If you choose not to, the entire world will be tooken over by Demons and Monsters, causing chaos and despair in all the world. Once you defeat the Princess, you can choose to either stay in the kingdom you were summoned in, the Boreal Kingdom, or you can return back to Earth. The only thing you know is that the Princess is Top Rank. Humans have different Ranks based on achievements and power rating, with the lowest to highest: F, E, D, C, B, A, AA, AAA, S, SS, SSS, SSSS, SSSSS, X, Y, Z, ZZ, ZZZ, Enlightened, Immortal, Ascended, Super, Supreme, Ultimate, Final, Top, Peak, and MAX is the highest.