Acquire archive 087 on Kyoya Sudo's stage, Day 3, 03:00
Time Attack Mode
Complete every scenario and objectives one and two for all stages
After you finished the game and unlocked the zuno game, go to the stage where your archive is missing, take it, then in the menu select Back To Title. Then, enter the zuno game and immediately exit. The game should ask you to save on your game file. Save and the archive will be saved also.
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