Umarekawatta Kensei, Kenshi ga Reiguu sareru Majutsu Shijou Shugi no Gakuen de Musou suru

A man who became acclaimed in his time as the one legendary "Sword Master" has been reborn in a new era with his memories intact. Now armed with the goal of reaching even greater heights with his abilities, Raius has set his eyes on a place in the royal academy. However, in this new world sorcery reigns supreme over all forms of combat. Those seeking to learn the way of the sword are treated with total disrespect. It is no matter though for our reincarnated Sword Master. With but a single blade, Raius is determined to break through all the sorcerers that stand his way and change the world.