My Post-apocalyptic Bracelet

Because of a documentary, Chen Dongsheng crosses into a world similar to the Earth's civilization, a world that is gradually heading towards extinction, knowing that the doomsday is heading towards, with a bracelet that can learn battle techniques and synthesize equipment.

He still has to try his best to survive under the exceptionally cruel environment, and as time goes by, he realizes that this apocalypse is getting more and more uncomplicated.