>Lin Xiaoman works the night shift at a convenience store and accidentally discovers a space-time rift hidden behind the freezer.
>Customers trade antiques for futuristic medicines, unaware that each transaction widens the cracks.
>One day a half-melted work badge appeared at the checkout counter, engraved with my mother's name and the words "Gatekeeper."
>The mysterious shadow of time "Ashan" appears and warns: The cracks out of control will swallow reality.
>In order to prevent the future conspiracy of black clones to freeze the timeline, Lin Xiaoman must defuse bombs in Edo, 1980 and the 22nd century at the same time.
>She controlled the Sands of Time to suspend part of time, allowing herself from three eras to join forces to prevent the end of the world.
