The Bookworm Teacher becomes a Swordsman

A teacher dies and goes back in time. With his pre learned knowledge, he decides that he no longer needs to study and gives the newest high tech virtual reality game a try.He becomes a swordsman but his thirst for reading carries onto his in game life? How far will he go, and what will happen in his daily life? Will he tell the world who he is? Or will he keep his identity as a secret?