Reincarnated as a Sword (Light Novel), Vol. 8

In "Catfight in Black and White," Teacher and Fran journey to the Beastman Nation in search of the legendary Black Cat who trained Rigdith, but their mission quickly takes a turn when they encounter some monsters. After Fran defeats them with ease, she faces the wrath of a mysterious white-haired cat girl who blames her for stealing the creatures. Tensions rise as this cat girl challenges Fran to a duel, leaving them to navigate a potential conflict without resorting to violence.