Hana is a normal high school student, unsatisfied in her daily life. One day she had a dream and met a 10-year-old girl living in Sengoku Era. The girl lives hard with poverty and misfortune in that world and the two are going to have a sisterhood friendship. When Hana wakes up, she is taken away by the government special agency and subject to severe scrutiny about her dream. There is something called Akashic Record and the destinies of all humans follow that record. And the future record of all mankind is gone in a month. The key to solving the problem is the girl who appeared in Hana's dream.

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