The Apocalypse Is Here, So Why Is the Research System Slacking Off?

【Both reborn + decisive and ruthless + devoted boyfriend + contrasting personalities; not a System-powered wish-fulfillment story.】 In the year 3023, Japan openly dumped nuclear wastewater, causing plants and animals to mutate, seawater to flood inland, and Earth to perish. Li Ming, the last human left on Earth and the hope of the underground city, was attacked by seawater that had gained consciousness. She transmigrated back to a month before the mutations began. She immediately signed a contract with the Research System and submitted a design sketch and data for an early-apocalypse electromagnetic cannon, causing a nationwide sensation... With a million in reward money, she began stockpiling supplies and building a secure base! This time, she would become the hope of humanity! Looking at the missions issued by the System, she was at a loss for words. Li Ming: “System, there’s something off about this mission...”