Demon Slayer: Invincible from the Great Swordsman

Byakuya traveled to the world of demon slaying, bound to the demon-slaying system, obtained the inheritance of the great swordsman Sauron, and embarked on the road to invincibility. Team up with Tanjiro to kill ghosts and raise Nezuko. Kamado Tanjiro: "Stop teasing my sister, she can't control herself anymore." My wife Yishan: "Can you lend me your copy of The Picking Up Girl?" Mrs. Zhushi: "Sir Baiye is so handsome, I like him so much." Nezuko: "Nezuko wants to be Byakuya's woman!" Three-sword style swordsmanship, Devil Fruit abilities, Sharingan, Zanpakuto, and Eight Gate Armor. Bai Ye: "Oh, none of these evil ghosts can be beaten!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.