Ninja Bugeichou: Kagemaru Den

Set during the late Sengoku period, this socially conscious ensemble period drama depicts the grueling struggles of people navigating the turbulent times—centered on the ninja Kagemaru, who stands against Oda Nobunaga as he seeks to unify the country, and featuring a swordsman driven by a quest for vengeance.

(Source: Mangapedia, machine translated)