Katainaka no Ossan, Kensei ni Naru

In the rural village of Katainaka, Beryl Gardinant lives a quiet life as a humble sword instructor, his dreams of legendary swordsmanship a distant memory. His peaceful existence is upended when a former pupil arrives with a life-changing decree: Beryl has been appointed as the special instructor for the prestigious Liberion Order knights.

Thrust into the bustling capital, he is reunited with his now-famous students—elite knights, a powerful wizard, and a top-ranked adventurer—all of whom inexplicably seek his guidance once more. The anime humorously explores themes of unexpected purpose and hidden legacy as this self-doubting "old man" navigates a world where everyone believes he is a peerless master. Can Beryl measure up to their towering expectations, or will the truth behind their reverence be his greatest challenge?