| ภาษา | |||
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Chinese (Simplified)简体中文 | • | ||
EnglishEnglish (US) | • | ||
FrenchFrançais | • | ||
GermanDeutsch | • | ||
Japanese日本語 | • | ||
Portuguese (Brazil)Português (Brasil) | • | ||
RussianРусский | • | ||
Spanish (Spain)Español (España) | • |
Blue Book is a visual novel that blends science fiction and detective genres. Investigate mysterious disappearances in a small provincial town as an FBI agent. Interrogate residents, analyze their words, and uncover the secret: are the kidnappings caused by people… or something else?