Hikkatsu! / Yu Yagami

In Earth’s distant future, geomagnetic abnormalities make every day a struggle to survive. The human race faces its greatest threat — not from aliens, meteors or global warming, but ordinary, every day appliances! With even the most basic of machines going haywire, one man holds the hope of Earth in his hands: karate student Shota, who can beat any appliance into submission with his Repair Blow!