Seishi Kishimoto launched his Sukedachi Nine (Assist Nine) manga in Square Enix’s free online web magazine Gangan Online and Monthly Shonen Gangan in October 2014.
Irono launched the manga in Square Enix’s Monthly G Fantasy magazine in 2014.
Kishimoto also published two side-stories – Monthly Shonen Gangan published a chapter that follows Kōta Kiyodera, while Gangan Online published a chapter that follows Ryōko Koizumi.
Within a special police task force, nine Assistors—executioners who are also victims of crimes—carry out these retributions with fervor and sincerity.