Take the Tokugawa shogunate in the Edo period as the historical background.

The first chapter of the Great Olympics is based on the demise of Muromachi shogunate, the late Warring States period in Japan and the early Tokugawa shogunate. Based on the Tokugawa Guang Jia era and the Spring Festival couplets bureau, three generations of generals in the early shogunate.

The Great Aohua Rebellion tells the story of Tokugawa Tsunayoshi, a general of the Five Dynasties.

The Meiji chapter of Oto/the last episode is the historical stage of Tokugawa Jiamao, the 13 and 14 generation generals at the end of the Tokugawa shogunate.