Leah, a rural teacher went to the imperial capital to find his father who went missing for many years. Under the introduction of the headmaster, he applied for the position of the Royal teacher and successfully passed the examination to become Prince Porter’s tutor. To his surprise Prince Porter is a savage Orc imprisoned in the tower, and he didn't even know human language. Leah , who wanted to escape in order to save his life, was locked in the tower and taught the prince the corresponding lessons according to the articles and instructions sent in through the door.