share time: 2026-06-19 00:30:58
A sudden extreme cold disaster forces humans to retreat to a giant survival fortress. Lin Ruo, a bottom survivor, is deliberately ostracized by the upper forces and struggles on the edge of survival when she accidentally touches the fortress's hidden AI core, discovering mysterious man Lu Chen who controls the local temperature system—he keeps his corner spring-like year-round to protect his late lover. Lin Ruo's intrusion breaks Lu Chen's closed world; they develop feelings after mutual tests, drawing upper suspicion. Finally, they team up to expose the upper's resource embezzlement conspiracy, and Lin Ruo completes her bottom counterattack, keeping warm love in the extreme cold.
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