Kimetsu no Yaiba Official Character Book Volume 1

Kimetsu no Yaiba Official Character Book Volume 1 (『』公式キャラクターズブック 壱ノ巻) is an official character book related to the Kimetsu no Yaiba anime.

Overview
The front of the book contains a sticker page, two-page double-sided fold-out poster, and a seven-page color gallery. Pages fourteen through thirty-seven serve as character introductions for Tanjiro Kamado, Sakonji Urokodaki, Sabito, Makomo, Nezuko Kamado, and the rest of the Kamado family, including Tanjuro Kamado. This section provides profiles of each character as well as analyses of the events surrounding Tanjiro and Nezuko in the first several episodes of the anime. The next section, pages thirty-eight to forty-seven, contain a character introduction for Muzan Kibutsuji and several pages of demon profiles. Pages forty-eight to fifty-one are dedicated to staff comments on the first eight episodes of the anime, and pages fifty-two to fifty-five contain an interactive "concentration diagnosis" game, a choose-your-own-path type of story. The last section in the book, pages fifty-six to sixty-one, contain interviews with Natsuki Hanae, Akari Kitō, Toshihiko Seki, and Kōki Uchiyama, the voice actors for Tanjiro, Nezuko, Muzan, and Rui, respectively. The final page in the book provides the results, or "diagnoses," of the earlier adventure game.