Delivery Boy Saves the Earth

Introduction: "Your Majesty Qin Shihuang, your express delivery contains a mouse. Please sign for it." "Emperor Alexander, your express delivery is a box of Qingresan. Please sign for it." "Mr. Newton, your express delivery is an apple. Please sign for it." "Mr. Van Gogh, His Excellency President Washington, General Rommel, Mr. Einstein... Please sign for your express delivery." The future Earth timeline has collapsed, and the courier boy needs to deliver various key props to important historical figures to save the messed up future. An ordinary post carries a great mission of saving the world. Although there are many obstacles along the way, it is not a problem for the courier boy who is dedicated and loves his job, because I am the strongest courier known as the "No. 1 Courier Brother". That's right, the first courier brother will definitely achieve his mission!