After 100 thousand years of earth spiraling aimlessly through the universe, leaving it's gravitational pull, earth has crash landed into a planet much bigger than itself. The half of the world that survived, emerge from their underground towns, coming face to face with some who see them as treasures, and some that see them as test subjects. But when Jungkook catches the eye of a well known astronomer, things get messier for his people in the spur of a growing, taboo love. switch!¡Tae switch!¡Kook (primarily top!tae)