One Hundred Days Before Earth's Destruction

That day was no different from any other day on Earth. Then, suddenly, tens of billions of people around the world, in every language and every time zone, heard the same sound: Beep. One hundred days remaining. The next day, everyone around the world heard the same sound again: Beep. Ninety-nine days remaining. It took humanity a few more days to realize that this countdown, measured in days, was a countdown to Earth's destruction! This story recounts the heroic exploits of a kindhearted Earth high school girl and a male alien whose whole body shimmers with rainbow-colored mosaics. They tenaciously battle evil forces from all sides, piloting humanoid robots to save Earth. Theme: The heroine gradually grows from a self-serving perfectionist into a superhero who saves Earth. Justice will prevail over evil, and with great power comes great responsibility.