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In this adventure visual novel you play as Koga Michiru leading a student group called the Bureau to solve school mysteries. Your tasks turn strange when Adelheid Ritter von Weinberger arrives seeking a family heirloom. Her presence unlocks odd time manipulation effects tied to the school's hidden Realm of Night. You navigate branching story paths filled with puzzles investigations and character interactions as clues emerge about Adelheid's origins and the Bureau's role in a larger supernatural scheme. The game blends mystery solving with dating sim elements through its branching narrative. Over 50 scenes explore relationships with six main characters each offering distinct perspectives on the school's secrets. Fans note the detailed art style and layered script that rewards close attention to dialogue choices. With 20+ endings and a runtime of 40-60 hours it builds a self-contained story where small decisions ripple into major consequences. The time-bending mechanic adds a puzzle layer to typical visual novel pacing creating moments where you adjust timelines to uncover hidden truths.
Game Modes
Single player
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