One Thousand Years ago, During the midst of Japan's Meiji period, a clan of Samurai, known as Hoseki, was tasked to defend the Great Golden Ruby, a Sentient, Beautiful, Mystical, yet Mysterious Jewel of Great Power, a Power that brought balance and tranquility throughout the world. This Jewel is the Manifestation of the founder of the Hoseki Clan, Shôgun Takagaki Takauji.