Apocalypse: Starting with an infinitely evolving luxury RV

(Apocalyptic survival + stockpiling supplies + storage space + multiple female leads + no saintly side + zombies + leveling up + cunning) The apocalypse has arrived, bringing extreme weather, rampant zombies, and the collapse of social order on Earth. Su Chen, who died in the apocalypse, is reborn a month before the end. He originally bought the luxurious Nomadison RV to build his own apocalyptic shelter, but unexpectedly activated the RV's apocalyptic fortress system! While others are dying from the heat, Su Chen lies comfortably in his RV, enjoying the air conditioning and eating popsicles! While others are suffering from the extreme cold and lack of food and clothing, Su Chen is dressed...