Jigen Sengokushi: Kuro no Shishi - Jinnai Hen  

Black Lion, Чёрный лев, الأسد الأسود, 時元戦国史 黒の獅士 陣内篇, Kuro no Shishi, Jigen Sengoku Shi Kuro no Shishi Jinnai Hen, Jigen Sengokushi: Kuro no Shishi - Jinnai-hen

In 1580, Japan is on the brink of being ruled by Nobunaga Oda with an iron fist. Ginnai Doma, once a fallen samurai who has been reborn into an indestructible killing machine, serves as one of Nobunagas enforcers and continues to kill ninjas and those who oppose his rule. Meanwhile, Shishimaru from the Iga Ninja goes against Koga Ninjas plans and embarks on a vendetta to avenge the deaths of his comrades and eliminate Ginnai.