* At the time of Emperor Meiji's birth in 1852, Japan was a feudal, pre-industrial country dominated by the isolationist Tokugawa shogunate and the daimyōs subject to it, who ruled over the country's more than 250 decentralized domains.By the time of his death in 1912, Japan had undergone an extensive political, economic and social revolution, and emerged as one of the great powers on the world stage. The New York Times summarized this transformation at the Emperor's funeral in 1912 with the words: "the contrast between that which preceded the funeral car and that which followed it was striking indeed. Before it went old Japan; after it came new Japan. Since the modern era, when an Emperor of Japan dies he is given a posthumous name. Such a name is a combination of the era during which he reigned and coincides with the Emperor's contribution to the throne whilst he was alive. Therefore, while publicly known during his life merely as "The Emperor", he is historically known as "Emperor Meiji"
* When the royal astrologer predicted the future through the five stars shining at the same time, he told the king that in the kingdom there would be warriors from different families who could protect the world in peace and advance in victory evil and in the future. Among them is a rising star of Venus which can be the main force in defeating enemies. Testimony of the fortune teller, the king ordered all high officials to investigate the fate of the five children by taking them to train with Mimi's grandfather including a famous martial arts teacher and also the king's professor.
* When Grandpa Kira examines the butterfly birthmark on his granddaughter's waist, which is the prophecy of fortune teller, Jin and Lin, twins born on a pink full moon. Wan and Fei, the blood of warriors and Lexi, the prince of Venus, who has the resin blood of a human dynasty. Once all of the members were gathered, Grandpa formed their group name Zenith. He taught them martial arts and loved them as much as his granddaughter Mimi. He tells Lexi to protect Mimi and learn to meditate not to get angry to solve problems. He just taught them to live normal lives and show compassion and value to those around them. And most importantly, they all create a happy atmosphere together and love each other like siblings. When they finished high school at the Flower Festival, their grandfather promised to complete the mission as soon as possible to come and congratulate them. But it was also the last day that Zenith members met him, as he lost his life due to against with the leader of the Black Blood. And since then Zenith Youth has been formed with Mimi as a leader.