本片是一部Animation片，由Yasuhiro Yoshiura导演，由Megumi Hayashibara/Koichi Yamadera主演。
剧情简介：In the far distant future… Humans are living in the underground shelters under the complete controlled situation. “Why has the world gone to ruin, and what have made humans stay in the shelters?” Every day the members of Bureau of Proto Society debate the cause of the fall of the world from the past documentary videos… probably.
外文名：ヒストリー機関
类型：Animation / Fantasy / Mystery / Science Fiction
导演：Yasuhiro Yoshiura
演员：Megumi Hayashibara / Koichi Yamadera
