Katainaka no Ossan, Kensei ni Naru II

For the past 20 years, Beryl Gardenant has spent his life teaching sword use at his family’s dojo in a small countryside village. Although many of his students have grown famous and powerful warriors, he still sees himself as nothings than an ordinary swordman. 

One day, one of his former students, Allucia, who is now the commander of the Royal Orders of Knights, invited him to become a special instructor in the capital. Beryl accepted the offer and traveled to the Capital.

In the capital, he met many of his former students, and all of them got more powerful and famous. Soon his incredible fighting style got famous, and people started to like him because of his humble nature. An ordinary swordman from the countryside now became the most famous warrior of the capital.