Years after retiring from their formidable ninja lives, a dysfunctional family must return to shadowy missions to counteract a string of looming threats.

After Akira Ninomiya miraculously survives a brutal attack by an unknown assailant wearing a “monster mask,” he becomes fixated on finding the attacker and getting revenge.

Hitomi Saito has been climbing the ranks for years and is set to direct an anime series for the first time, while brilliant director Chiharu Oji is about to make…