Armed with the superhuman power of the Oni, the Onimusha makes a stand against the enroaching Genma menace.

Meet the protaganist, Musashi, and the cast of unique characters he will encounter. Wield the power of the Oni. Master your timing and unleash Issen. Experience the ultimate in exhilarating swordplay.

Explore early Edo period Kyoto, twisted by malice.