It's the End of Winter, but Luckily I'm a Top Electrician

Electrical graduate student Chen Shu traveled to a new world during the Ice Age. The cold wind is biting and the world is frozen, making the world uninhabitable. Twelve towers stand as the last stronghold of mankind. Chen Shu is struggling to survive in this ice-shrouded apocalypse, but fortunately, the world here is prosperous in science and technology, martial arts are prosperous, and opportunities are everywhere. With his identity as a top electrical engineer, he will make his way into the world at the end of winter!