When Tsubasa Sato finds himself trapped in this world he must evade strange masked pursuers while protecting the alternate version of his sister.

• 电视里播出了一条新闻：近来不少姓佐藤的人相继身亡，死因各不相同，有事故、疾病，也有谋杀、自杀，这一怪异现象引起了各方关注。