From Old Country Bumpkin to Master Swordsman, Vol. 1 - Dayeun Kim - Bog

"I recommended Master Beryl as the knights' special instructor." In a village in the remote countryside, Beryl Gardinant meticulously runs a fencing dojo. One day, he's paid a visit by his former pupil Allusia, now grown into the kingdom knights' commander, and Beril decides to follow her to the royal capital to become a special instructor for the knights. As he's pulled into reunions with his accomplished and eager apprentices, what does fate have in store for Beryl?