It is the year 1988. Japan is in the midst of the bubble economy. New buildings are sprouting up everywhere, and the people are ecstatic. This is a story of people who live for one year... in such a little corner of the city.
10年前的“复活”彻底孤立了“完全环境都市”印加诺克。恐怖的幻想生物接连出没,象征富裕的蒸汽机械文明发生了变异,不时化为异形袭击人类。蛰伏上层的贵族幸免于难,寄居下层的百万流民奇病肆虐。歪曲的灰色天空中生出无限的迷雾,理应唯一的太阳,如今却悬挂双日。这里是孤立都市,也是异形都市。
在人类与妖怪共存的世界中,三个身份迥异的少年少女在荒废古宅中相遇。结伴冒险的过程中收集道具、推敲讯息、解开谜题,逃离不可名状的生物,并揭开古宅家族背后的血色历史,最终发现“中阴”的秘密。