人類の9割が謎の感染症に感染・死亡した「あかいひ」から13年、生き延びた人々は都市を離れ隔離された村で暮らしていた。
壊滅前の世界を記憶していない新世代のアキはかつて村を出て行った父親を捜すため、仲の良いハル、ナツキと共に村を抜け出す。
ゾンビで溢れかえる外の世界は、それでも広大で美しい!!
絶体絶命の状況で少年少女たちは何を目指す？
The manga is set in a world where 90 percent of humans on Earth have contracted and died from a deadly, virulent disease; only to then rise again as zombies who only attack people. 13 years after that “Red Day” of societal and civilizational collapse, the surviving humans survive away from the big cities, while still hoping to retake them someday. An entirely new generation of people who know nothing of the pre-Red Day world are now coming into their own. The story begins when Aki and her close friends Haru and Natsuki begin a journey to find Aki’s missing father.
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