An official X (formerly Twitter ) account opened last month for the live-action film adaptation of Kyūgō 's Monster in Sheep's Clothing ( Hitsuji no Kawa o Kita Kemono ) manga. The film will open in Japan on December 11, after having premiered at the Tokyo International Film Festival (TIFF) on October 28.
Image via Monster in Sheep's Clothing live-action film's X/Twitter account ©2026 Amazon Content Services LLC or its Affiliates.
TIFF describes the story:
College junior Daichi is wary of Igawa, his sister's seemingly perfect fiancé, wondering why a man like him would choose her. But as Igawa supports him through his struggles with recruiting and life, Daichi finds himself falling for him. He knows he shouldn't, yet he cannot stop his feelings for this forbidden love …
The film stars Nobuyuki Suzuki as Jun Igawa (right in image above) and Bullet Train boy group member Haru Kashiwagi as Daichi Kusakabe. Additional cast members include Rinka Kumada , Nagisa Saitō , Kaito Yoshimura, Toshie Negishi , and Reika Kirishima .
Yang Liping directed the film, and Erika Nakayama and Daishi Iga wrote the script. Hidekazu Sakamoto composed the music. Amazon MGM Studio produced the film.
The film's staff started streaming a clip on Tuesday showing Daichi being thrown off by Igawa's invitation to go out for a drink together:
Tokuma Shoten published the manga's first volume in June 2021. The fourth volume will ship on December 25.
Tokyopop 's Blu imprint published in English Kyūgō 's 2008 You & Me, Etc. ( Bokura ni Matsuwaru Etcetera ) manga.
Kyūgō 's six-volume Acid Town manga serialized in Gentosha 's Rutile magazine also in 2008. Tokyopop also published the manga in English.