天堂口

在AR技术发展成熟的现代，作为发展技术的MR-Mixed reality system设备被普遍应用的社会。MR技术被广泛运用，作为女子高中生为中心的新型运动，名字叫做Circlet Bout。作为人气运动的Circlet Bout不仅是在学园内，甚至是整个区域内都不断的被作为娱乐而泛用，最受瞩目的。Twenty years after the disappearance of her daughter, a recovering alcoholic is preparing to host her family's Christmas celebration when her estranged ex-bother-in-law arrives unannounced, bearing nostalgic gifts and a heavy secret.。