Doomsday Survival Starts from the System

"As a time traveler, is it okay to bring your own system?" "The system shows that the end of the world will come in two and a half months. It makes sense for me to borrow some money in advance." "But..." "Why is it that three months have passed and the end is stuck at the last second?" "Answer me [serious face]" "Look in my eyes!" "Tell me why? Why? Baby why?" "Dog system..."