Conquering the End of the World with My Mobile Phone and Daughter-In-Law

At the last moment of the destruction of the era, Doctor Yu from the eleventh era met Long Xiaoqian, a survivor of the first era in a stone-shell mobile phone. From then on, in the end world where alien beasts were rampant and primitive people gathered together, he embarked on a path to conquer the end world, destroy the backhands of the survivors of each era, and challenge the mastermind behind the eradication of the creatures of the era. (Careful articles, please pay more attention)