City: Black Technology Reverses the Future

Blue Star In 2021, the world has just experienced a deadly virus. Many once great countries have failed to recover. People have named 2020 a "world disaster" and the world has officially entered the future era of development. Su Yanran: Black technology? I have a lot of them! If you don't accept it, do it. United States: For the safety of people around the world, please share your technology! Su Yanran: Huh? Let's eat an improved intercontinental missile first! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.