Ninja Slayer From Animation

Kenji Fujikido is an ordinary office worker whose family died in a violent clash between rival ninja factions. After barely surviving an attack himself, he is taken over by a mysterious ninja spirit called Naraku Ninja. Now, reborn as the "Ninja Slayer," Fujikido escapes death and dedicates himself to hunting down corrupt ninja in a relentless quest for revenge. In the grim, futuristic streets of Neo-Saitama, he wages a brutal war against the deadly assassins of the Soukai Syndicate.