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Trapped in the present day, Lily, a time-space engineer from the year 2124, goes undercover as a maid in a wealthy household. After being publicly betrayed by the young master Lucas and socialite Amber, she unleashes a devastating counterattack using the limited reset capabilities of her AI system, NOVA. She tears apart the corrupt tycoon family, exposes their illegal dealings, and uncovers a high-energy doomsday device planted on the estate by a criminal syndicate. With each reset causing perma