Kimetsu no Yaiba Novelization 7

Demon Slayer Novelization: Battle with Akaza and Inosuke's Past Arc (鬼滅の刃 ノベライズ ~猗窩座との戦いと伊之助の過去編~), written by Hano Makimi, is the seventh light novel based on the Kimetsu no Yaiba manga. The illustrations are created by Koyoharu Gotoge.

Synopsis
Can Tanjiro and Giyu avenge Kyojuro and finally defeat Akaza?

The Demon Slayer Corps finally entered the Infinity Castle, the base of Muzan. Tanjiro and Giyu face off against Upper Rank Three demon Akaza to get revenge for Kyojuro, but find themselves outmatched by his overwhelming power. Meanwhile, Kanao and Inosuke clash with Upper Rank Two demon Doma, who attacks using sharp fans frozen in ice!