片田舎のおっさん、剣聖になる外伝 はじまりの魔法剣士•Katainaka no Ossan, Kensei ni Naru Gaiden: Hajimari no Mahou Kenshi

From Old Country Bumpkin to Master Swordsman: The Mage Knight's Origin

Deep in the remote countryside of Liberia, young Fichelle Harbeller joins the dojo of famed swordsmaster Beryl Gardinant. Burning with a fierce determination, she quickly outpaces her peers in swordsmanship. And in the midst of her training, she also discovers her newly awakened talent for magic! Thus begins the journey of a girl striving to master both blade and sorcery. (Source: Square Enix)