As early as 800 years ago, human desire gave birth to 21 core coins. Anyone who gets the coins will gain great power. In June 2011, in Thuringia, Germany, the president of the Hongshang Foundation, Mitsuo Hongshang (played by Tsuyoshi Ukaji), led an expedition team deep into the hinterland of a forest in Thuringia. After continuous surveying and excavation, they finally found the burial site of the core coins, but accidentally unlocked the seal that had been sealed for hundreds of years, and also caused the forest and Shinjuku in Tokyo to swap. With the huge changes, countless medieval soldiers walked out of the cave and launched a brutal killing. Hino Eiji (played by Hide Watanabe) and Izumi Shingo (played by Ryosuke Miura) who happened to pass by nearby were involved in the chaos and fought with the samurai. Behind the samurai is the powerful alchemist Gella (played by Miki Sakai). After her resurrection, she vowed to become the master of the new world-Oz (OOO). In the chaos, everyone was involved in the Edo period where the eighth general of Tokugawa Yoshimune (played by Ken Matsudaira) was...