Upgrade to the Hundred Ton King in the Doomsday, and Take in the School Belle at the Beginning

(Superpower, RV upgrade, decisive group killing, non-powerful mowing The apocalypse is coming, zombies mutate, species emerge suddenly, various tsunamis, earthquakes, intense heat and extreme cold compress the living conditions of mankind. As time goes by, various species develop swarm intelligence and label 'surviving humans' as heretics. —— Song Zhou awakens the system of the Hundred Ton King of the apocalyptic RV. Fortunately, taking in various goddesses can gain skill points and enhance the strength of the Hundred Ton King! The innocent and reserved Kuronaga Nao school beauty, the female spy of the Seventh Organization, the salesperson of the Hyakuryu Chamber of Commerce, the hacker genius girl, the kunoichi of the Hyuga family... As you collect skill points, you will be able to... "The energy will directly burn the zombies. Talk to my anti-biological armor!" "Electromagnetic railgun, unmanned hive fleet, high-altitude radar! Activate!" "The matter has come to an end. I don't want to ask any more questions about right or wrong. Hundred-ton King, unite!" ... Song Zhou's power gradually grew. The secret of the sudden change in Blue Star, the revelation of various forces, the spying of the stars, and the test of high-dimensional civilization? Song Zhou uncovered the truth about the end of the world and led his companions on the right path.