@Atmosk It's based on a novel, I realised not too long ago that the title is 불패검선 (不败剑仙) which translates to 'Undefeated Sword Immortal' (against the loss of meaning in simply using 'Swordsman') but this is a trade-off for localisation, like Undefeated Sword Immortal would get lost in a whole...
@kurohanani
@exia237
That cover art is the light novel's and the alt name has a difference in the subtitle:
【「落第賢者の学院無双 ~二度転生した最強賢者、400年後の世界を魔剣で無双~」
魔剣 maken = magic sword
So that's something as far as swords go