Yaiba is a member of ShinganCrimsonZ and is the band's bassist. His bass, Ryukenden, appears to be a katana of sorts. Despite its unusual shape, he appears to have no problem holding and playing the bass. He describes it as if it is its own sentient being, claiming it is "after the spirit to rule over all savage living things on Earth." [Age = ???] [Height = 174cm] [Birthday = August 18]