Toaru Anbu no Item

is a Japanese light novel series written by Kazuma Kamachi, with illustrations by Nilitsu. The series began publication on March 10, 2023 by ASCII Media Works under their Dengeki Bunko publishing imprint. The series is a spin-off to A Certain Magical Index.

Synopsis
This is the story of girls who live in the "dark part" of Academy City. "Academic City" where "superpowers" are recognized as "general science". Behind that peace lies an organization called the Dark Side, which undertakes missions that cannot be revealed. "ITEM" - An elite unit composed of four girls. Rikou Takitsubo can read and track the weak power emitted by espers. Frenda Seivelun is good at combat using explosives and traps. Kinuhata Saiai, who freely controls nitrogen and is responsible for defense. And Shizuri Mugino, one of the seven level-5 espers that Academy City is proud of. The girls, who live freely in the darkness of Academy City, quietly set their sights on their targets! "Bu-chi-ko-ro-shi-ka-ku-te-i-ne" This is the story of encounters, friendships, and darkness of girls who eventually lead to a "horrific incident".

Related Series

 * A Certain Magical Index (Main Series)