An unidentified flying object suddenly crashes at the United Nations Headquarters in New York. A mysterious being calling himself "Noah" appears. He says he has come to save the Earth, but his purpose is completely unknown. At the same time, a mysterious incident occurs at an elementary school, where 88 people suddenly disappear...
In the midst of this unprecedented crisis, the United Nations' supernatural secret analysis department, Black Sheep, is called into action. The key to solving the mystery lies outside of commonsense.
(Source: Kodansha, translated)
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