The Book of Prophecy Arc

Kenji discovers an old notebook from childhood containing predictions that are mysteriously coming true in present-day Japan.

The Book of Prophecy Arc serves as narrative foundation, establishing the central mystery driving entire series. Kenji Endo, seemingly ordinary convenience store owner, stumbles upon an old notebook he and childhood friends created decades earlier. The notebook contained imaginative predictions and vague prophecies created by boys without serious intent—random speculation disguised as prophecy written for entertainment and youthful amusement. Years later, Kenji discovers that these predictions are manifesting in reality with unsettling accuracy. Events described in the childhood notebook occur in present-day Japan, suggesting either incredible coincidence or something far more sinister. The arc explores Kenji's initial skepticism and gradual recognition that something genuinely supernatural or conspiratorial is occurring. He must confront possibility that childhood friends or others possess information about future events. The arc establishes series' fundamental mystery and emotional core—childhood bonds and youthful memories becoming inexplicably relevant to adult existence. Kenji's recognition that childhood prophecy book describes real current events forces him to examine his past and reconnect with friends he hasn't seen for decades. The arc sets entire series' trajectory toward confrontation with past and its unsettling implications for present and future.