1화: 키루코가 마루를 천국으로 호송하고, 도쿄는 재해 이후의 일본에서 현실을 의심한다.

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Japan has collapsed after the Great Disaster. Kiruko accepts a request to take a boy named Maru to a place called Heaven. Meanwhile, children live behind the walls of a nursery in luscious green surroundings. After receiving a mysterious message, Tokio begins to doubt the world around him. (Source: Hulu)