Gunjō Senki (群青戦記, "Record of Ultramarine") is a Japanese manga series written and illustrated by Masaki Kasahara [ja].

A sequel, titled Shin Gunjō Senki, written by Kasahara and illustrated by Azychika, was serialized in the same magazine from January 2021 to March 2022.

Written and illustrated by Masaki Kasahara [ja], Gunjō Senki was serialized in Shueisha's seinen manga magazine Weekly Young Jump from August 29, 2013,[3] to June 15, 2017.

[6] A sequel, titled Shin Gunjō Senki (真・群青戦記), written by Masaki Kasahara and illustrated by Azychika, was serialized in Weekly Young Jump from January 7, 2021.

The film stars Mackenyu as Aoi Nishino, Haruma Miura as Ieyasu Tokugawa, Kenichi Matsuyama as Oda Nobunaga and Hirona Yamazaki as Haruka Seno.