鬼滅の刃公式ファンブック 鬼殺隊見聞録 [Kimetsu no Yaiba Koshiki Fan Book Kisatsutai Kenbunroku - Ni]

This two-issue fan book series from Shueisha (2019–2021) expands on the world of Demon Slayer: Kimetsu no Yaiba with in-universe character profiles, setting details, and behind-the-scenes material curated by creator Koyoharu Gotouge. It serves as a companion for readers seeking deeper lore on the Demon Slayer Corps, offering a concise but thorough look at the series' cast and mythology. While brief, it's an essential resource for fans wanting to understand the world beyond the main narrative.