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Informational mini anime posted on the anime's official Twitter and HJ Bunko/HJ Novel's official YouTube channel.

All his life, Shiki has been surrounded by machines. At Granbell Kingdom, a long-abandoned amusement park, he is the only one of his kind ar...

Twenty years after the war between immortals and demons, the Three Realms have reached a state of delicate balance. It was at this time that...