Katainaka no Ossan, Kensei ni Naru: Tada no Inaka no Kenjutsu Shihan Datta noni, Taisei shita Deshi-tachi ga Ore wo Hottekurenai Ken  

An Old Man From the Countryside Becomes a Swords Saint: I Was Just a Rural Sword Teacher, but My Successful Students Wont Leave Me Alone!, 片田舎のおっさん、剣聖になる ～ただの田舎の剣術師範だったのに、大成した弟子たちが俺を放ってくれない件～, From Old Country Bumpkin to Master Swordsman: My Hotshot Disciples Are All Grown Up Now, and They Won't Leave Me Alone, 片田舎のおっさん、剣聖になる　～ただの田舎の剣術師範だったのに、大成した弟子たちが俺を放ってくれない件～, An Old Man From the Countryside Becomes a Swords Saint: I Was Just a Rural Sword Teacher, but My Successful Students Won't Leave Me Alone!

Beryl gardernant was a modest sword instructor living in reveris kingdom. he had accepted his limitations and enjoyed a peaceful life in the countryside. however, when one of his former students, alexia, visited him unexpectedly, she informed him that he had been recommended for a special role as an instructor within the knight order. beryl was reunited with his ex-students who were now prominent figures such as knight captains, top adventurers, and powerful magicians. unfortunately, this led to his expulsion from his family's dojo. as turbulent times approached, beryl realized that he had an unparalleled talent that he was not aware of. despite being surrounded by ex-students who knew of his strength, beryl remained humble and gradually made himself known to the world.

Katainaka no Ossan, Kensei ni Naru: Tada no Inaka no Kenjutsu Shihan Datta noni, Taisei shita Deshi-tachi ga Ore wo Hottekurenai Ken began as a web novel on Shousetsuka ni Narou on November 17, 2020, and published in print by Square Enix since April 7, 2021.The series has been published digitally in English as From Old Country Bumpkin to Master Swordsman: My Hotshot Disciples Are All Grown Up Now, and They Won't Leave Me Alone by J-Novel Club since November 22, 2023.