Kusunoki no Bannin

Kusunoki no Bannin is a Japanese novel series written by Keigo Higashino. The series began publication by Jitsugyo no Nihon Sha in March 2020, with three volumes being released as of May 2025. An anime film adaptation of the first novel produced by A-1 Pictures and Psyde Kick Studio is scheduled to premiere in Japan in January 2026.

Characters

;Reito Naoi
;Chifune Yanagisawa
;Yumi Saji
;Sōki Ōba
;Toshiaki Saji
;Masakazu Yanagisawa
;Katsushige Yanagisawa
;Tōichirō Ōba

An anime film adaptation of the first novel was announced on April 8, 2025. The film is produced by A-1 Pictures and Psyde Kick Studio and directed by Tomohiko Itō, with Taku Kishimoto writing the screenplay and Tsubasa Yamaguchi, Akiko Itagaki designing the characters, and Yugo Kanno composing the music. It is set to be released in Japan by Aniplex on January 30, 2026. The theme song is "Katawara nite Tsukiyo" performed by Uru.

The first novel has over one million copies in circulation.