Editing Onimusha (section)

==Plot==
Based primarily throughout the Japanese [[Sengoku period]], ''[[Onimusha: Warlords]]'' starts with the feudal lord [[Nobunaga Oda]] being killed during a battle. One of the prominent fighters, Hidemitsu Samanosuke Akechi, receives a letter from his cousin Princess Yuki who is concerned about servants from her castle disappearing. Samanosuke joins with the kunoichi Kaede to rescue Yuki and discover demonic creatures known as Genma. In order to defeat the Genma, the Oni clan grant Samanosuke powers from their kind. Across his fights Samanosuke discovers the Genma have resurrected Nobunaga into serving their needs while intending to sacrifice Yuki and an orphan named Yumemaru to grant him more powers. Samanosuke manages to save Yuki and Yumemaru and kills the Genma Lord, the God of Light Fortinbras. Samanosuke's group then takes different paths.

The sequel, ''[[Onimusha 2: Samurai's Destiny]]'', has Nobunaga using the Genma in his forces to unify Japan, wiping out Yagyu village whose clan are Genma exterminators. The clan's only survivor, Jubei Yagyu, goes on a quest to avenge his clan while learning he inherited Oni powers from his mother as he uses them alongside the Oni's five orbs to battle Nobunaga's soldiers. Across his journey, Jubei meets several allies who also seek Nobunaga's life. Jubei manages to infiltrate Gifu castle and confronts Nobunaga alone. Although Jubei kills Nobunaga, the warlord's soul escapes and later reconstitutes himself. The spin-off ''[[Onimusha: Blade Warriors]]'' has the cast from ''Warlords'' and ''Samurai's Destiny'' in a new battle against Nobunaga's forces.

The third game, ''[[Onimusha 3: Demon Siege]]'', has Samanosuke's clan attacking the Oda forces again. Before confronting Nobunaga, Samanosuke is transported to Modern Paris as a result of an experiment made by the Genma scientist Guildernstern to enable his kin to conquer more lands. In the meantime, service agent Jacques Blanc is a victim of Guildernstern while transported to Japan's Sengoku period. There, Jacques is granted Oni powers by an Oni who tells him to join forces with this timeline's Samanosuke and defeat Nobunaga if he wishes to return home. While Jacques aids Samanosuke in the past, in the future Samanosuke is helped by Jacques' family to investigate the Genma. In the end, the two Oni warriors are successful in stopping the invasion and returning to their respective times. Samanosuke manages to slay Nobunaga and seal his soul within the Oni Gauntlet to avoid another resurrection.

The fourth game, ''[[Onimusha: Dawn of Dreams]]'', had Nobunaga's servant [[Toyotomi Hideyoshi|Hideyoshi Toyotomi]] unified Japan with the Genma whom he supported in their actions. His illegitimate son, Hideyasu "Soki" Yuki, goes on a quest to defeat Hideyoshi and stop the Genma. He is aided by several other warriors, including an elder Samanosuke who recognizes him as the Black Oni, the God of Darkness. After mastering his Oni powers, Soki joins with his friends to defeat Hideyoshi's army. In the aftermath, it is revealed that Hideyoshi was a mere puppet of the Genma Triumvirate who wish to resurrect Fortinbras at his full power as the Genmas' God of Light. Although the Genma Triumvirate and Hideyoshi are defeated, Fortinbras resurrects with Soki using the Oni Gauntlet to destroy the Genma and restore the country's peace at the cost of his life. Soon after, Samanosuke embarks on a quest to seal away the Oni Gauntlet to prevent Nobunaga from being released.