第16話: HarakenとFumieがサイバーユーザーを調査する一方、YasakoはIsakoに兄の件について問いただす

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For their research project, Haraken and Fumie find early records of cyber users who have passed out and reported hallucinations of "the other side". Meanwhile, Yasako spies on Isako as she visits her comatose brother. Deducing that he is 4423, Yasako confronts Isako with her realization that she has met her brother years ago. (Source: Wikipedia)