The World's Amber, Chang'an's Gears

The supreme computer [Xuanji] of the “Sichen Institute” predicts that time across the entire city will freeze in 99 days, turning everything to amber. The only solution is to gather the twelve [Earthly Branch Gears] scattered throughout the Otherworld and restart the central system.

- **The Gear’s Curse**: Each gear exacts a different price in human nature