Attack on Titan: The Harsh Mistress of the City, Part 2

Shingeki no Kyojin: Kakuzetsu Toshi no Joō (Shita) (進撃の巨人　隔絶都市の女王（下）) is a light novel based on the Attack on Titan manga. It is written by Ryō Kawakami and illustrated by Range Murata.