"Yotoden," also known as "Wrath of the Ninja," is a three-episode OVA series set in feudal Japan during the Sengoku period. The narrative revolves around three ninja warriors—Ayame, Sakon, and Ryoma—who are bound by a shared mission to combat the malevolent warlord Oda Nobunaga. Nobunaga, having allied himself with demonic forces, seeks to plunge Japan into darkness and chaos. The trio, each hailing from different ninja clans, must overcome their personal differences and unite to thwart his plans.

Ayame, a kunoichi from the Iga clan, wields a mystical dagger imbued with spiritual power. Sakon, a skilled warrior from the Koga clan, carries a cursed sword that grants him immense strength but at a great personal cost. Ryoma, the youngest of the group, is a master of explosives and represents the Fuma clan. Together, they embark on a perilous journey to confront Nobunaga and his demonic allies, facing numerous challenges that test their resolve, loyalty, and combat skills.

The story is steeped in historical and supernatural elements, blending the political intrigue of the Sengoku era with fantastical themes. Nobunaga's demonic pact grants him access to otherworldly powers, and his army includes monstrous creatures and sorcerers. The protagonists must navigate treacherous battles, infiltrate heavily fortified locations, and uncover the secrets of Nobunaga's dark alliance. Their quest is not only a fight for survival but also a struggle to protect Japan from descending into an age of demonic tyranny.

Throughout the series, the characters' backgrounds and motivations are explored, adding depth to their interactions and decisions. Ayame's determination to avenge her clan, Sakon's internal conflict with the curse of his sword, and Ryoma's youthful idealism create a dynamic interplay that drives the narrative forward. The OVA culminates in a climactic confrontation where the trio must harness their combined strengths and the power of their ancestral weapons to face Nobunaga and his ultimate demonic form.

"Yotoden" is notable for its fast-paced action, historical setting, and integration of supernatural elements, offering a concise yet engaging tale of heroism and sacrifice in the face of overwhelming darkness.