Black Lion

Set in 1580 Japan, the country is on the brink of being dominated by Nobunaga Oda's military, who wield advanced technology. Ginnai Doma, a former samurai, has been transformed into an invincible fighter, serving as Nobunaga's enforcer. As he kills ninjas and others opposing Nobunaga's rule, Ginnai draws the attention of Shishimaru, an Iga Ninja who seeks revenge for his fallen comrades and aims to take down the seemingly immortal Ginnai.