Female Swordsman Training Dojo

He was transported to Japan in 1912, only to discover that this bizarre world was inhabited by yokai (supernatural beings), and that as a samurai, he had an obligation to slay them? Fortunately, despite this hellish start, Taira no Harunobu awakened a system that allowed him to draw unique sword techniques and items from various works by training disciples! Under his careful tutelage, the older sister next door learned Thunder Breathing and Lightning Return, becoming the Inari Soul Sword Saint; the little girl who used to roam the streets mastered Laurent's Mind's Eye Blade, becoming a peerless swordswoman with every strike finding its opening; and the noblewoman lawyer was inspired by the Ashina style, mastering the profound principle that everything can be a sword… Huh? Why are there only girls in the dojo? Nonsense! Isn't he a man?! — So said Taira no Harunobu, the Swift Wind Swordsman, the Eternal Sword Saint, and the Guardian of the Samurai Clan.