The November issue of Kodansha's Monthly Shōnen Sirius magazine is announcing on Friday that the anime of the Ninja Slayer novel series will premiere next spring. Studio Trigger will animate the series.

The "cyberpunk ninja action drama" is set in the near-future city of Neo Saitama, where ninja souls have been unleashed. The story follows Fujikido Kenji, a salaryman whose wife and children were killed in a ninja battle. He is then possessed by a ninja soul and becomes a ninja slayer, devoted to killing all ninja to avenge his family.