However, the ninja still exist in secret, and it is said that there are 200,000 of them living in Japan today, hiding and working in the dark in the public and private sectors and in all kinds of organizations.

One of them, Kuro Kumogakure, who is living the life of a NEET, receives a serious "ninja assignment," an order from his superiors to infiltrate a high school with the latest equipment.

[34] It is produced by Tezuka Productions and directed by Satoshi Kuwabara, with scripts supervised by Keiichirō Ōchi, character designs by Nobuteru Yūki, and music composed by Shōta Kowashi.

[40] The film adaptation is written and directed by Yūichi Fukuda, and stars Kento Yamazaki and Minami Hamabe as Kurō Kumogakure and Ayaka Noguchi respectively.

[41] The film was scheduled to premiere in Los Angeles on January 8, 2025;[42] however, it was cancelled due to the wildfire state of emergency.