Kazu Kakazu
Kazu Kakazu (also credited as かかずかず) is a Japanese manga artist. Before Our Blood Oath, Kakazu drew the one-shot "Yashiro" (story by Tarō Watanabe) for the 2019 Winter vol.1 issue of Jump GIGA and published "Seiyaku no Aka", the prototype of the series, in Weekly Shōnen Jump in 2019; the one-shot "Sudama no Kusa" followed in Jump GIGA in 2022.