高中生小花对自己的生活并不满意，某天她梦见一位战国时代的七岁女孩，女孩过着穷困潦倒的生活，两人逐渐建立起姐妹般的友谊

当小花醒来时，一名自称是政府特别机关的男子将她捉走，想要调查小花的梦，因为所有人类的命运都记载在「阿卡夏纪录」，但人类的未来纪录将在两星期后消失，而解决这个问题的关键，正是出现在小花梦中的那个女孩。

高中生小花對自己的生活並不滿意，某天她夢見一位戰國時代的女孩，兩人逐漸建立起姐妹般的友誼，當小花醒來時，一名自稱是政府特別機關的男子將她捉走，想要調查小花的夢，因為所有人類的命運都記載在「阿卡夏紀錄」，但人類的未來紀錄將在兩星期後消失，而解決這個問題的關鍵，正是出現在小花夢中的那個女孩。

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.