Can Saving the World Be Postponed for N Days?

Wang Xiaotian--Congratulations on becoming the 100 millionth human being to curse the destruction of the world. May your power reach the strength of the magnetic field to transform the entity. Now start the countdown to destroy the world~ "I was really shocked to sit up in my dream. How did I know that if I lost in a game and just complained about destroying the sky, it would really be destroyed for me. Wouldn't I become a sinner for the ages? I won't bear such a big blame." Wang Xiaotian writhed from the bed, hoping that he was dreaming. Hello, dear human beings, I am Mr. P, the time manager of the universe. After hearing your wish, I specially come to fulfill it for you. Do you want to execute it immediately or postpone it? As an ordinary outstanding academic among humans, he feels that being selfish is understandable, but being too vicious does not conform to his beautiful principles of respecting the world...