Kimetsu no Yaiba Novelization 4

Demon Slayer Novelization: Entertainment District Infiltration Operation Arc (鬼滅の刃 ノベライズ ~遊郭潜入大作戦編~), written by Shuka Matsuda, is the fourth light novel based on the Kimetsu no Yaiba manga. The illustrations are created by Koyoharu Gotoge.

The novel covers the second part of the Mugen Train Arc and the full Entertainment District Arc from volumes 8-11 of the original manga.

Synopsis
Tanjiro and co’s next assignment takes them to the lively entertainment district in Yoshiwara, where a demon is rumored to be terrorizing the area. They are joined by the flashy Sound Hashira Tengen Uzui, and once there, each of them takes on the disguise of a courtesan in training and infiltrates a different house to gather information. But little do they know the district is ruled by a ruthless and sadistic “Fallen Princess” oiran who happens to be an Upper Rank demon in disguise!