Today, Too, I'll Be a Good Demon Exorcist

The Xu family was once the foremost family of demon slayers. There's a girl whose family owns a long sword, but it's a useless one. The girl fretfully hefts the sword and goes out to slay demons, but when she's done, she still can't even chop through a piece of wood. And now? The Xu family has just one genius girl left, heading out to protect the peace with a useless sword! Also known as: Protecting the World Again Today Useless Sword: I exist because of you. Girl: Can't I just not have you? Useless Sword: No!!!! (A sword cultivator's past and present life, from next door) Theme: Work diligently and climb to the top of life