Ninja Slayer From Animation

Ninja Slayer From Animation is set in a dystopian Neo-Saitama, where cybernetic technology and electronic networks dominate society. The city's dark shadows conceal an unexpected threat: resurrected ninja souls, revived from thousands of years past, commit atrocities in the present. Fujikido Kenji, a grieving salaryman, is transformed into Ninja Slayer after being possessed by an enigmatic ninja soul. He now dedicates himself to a personal vendetta against evil ninjas, leading him into mortal combat against the Soukai Syndicate.