Sasaki Ryuujiro hires Oni Wakamaru, a giant whose kind heart isn't exactly...reflected in his twisted face. Oni's job is to take revenge on Mugen for Sasaki. The plan? Kidnap Fuu, hire a prostitute to poison Mugen and get an assassin to kill Jin. But when Ryuujiro turns his blade on Fuu, Oni crushes his skull to protect her.