Demon Slayer: Kimetsu No Yaiba – Kyodai No Kizuna To Kisatsutai Hen (Light Novel)

In order to save his sister Nezuko, who was turned into a demon, and to avenge his murdered family, Tanjiro joins the Demon Slayer Corps and meets Zenitsu and Inosuke, two other rookie recruits, and the three begin working together. Their latest assignment takes them to Mount Natagumo, where they are forced to fight against the Spider Family of demons. But they quickly find themselves outmatched and struggling for survival. But just when things look dire, the Hashira appear!
Notice: This book is written in Japanese.