PSYCHIC DETECTIVE YAKUMO Initial File Ghost Theorem (2) Kodansha

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"Ghosts Are Produced by the Human Brain" - A mysterious 3D video that appears on the Internet under the name of the mathematician Fermat. A mystery of a ghost apartment, a portergeist phenomenon in a student dormitory, a piano that rings in the middle of the night in the old professor's home. A series of complex and mysterious incidents in which the university student Yakumo Saito who sees ghosts and the associate professor Taketo Mikoshiba who is a genius in mathematics confront each other. What is the identity of the mysterious man who is lurking in the cyber space? The best work of the Yakumo series is now available! Book design : Kouichi SAKANO (welle design) Illustration : Shiho Toda Included : "Ghost Theorem," "Evil Spirit Presumption" and "VengeSpirit Paradox"