When a mysterious tower came into existence, the world was thrown into destruction. Humans started climbing the tower in search of a secret at the top. In the process, those who had achieved achievements beyond human possibilities being were engraved as constellations at the top of the tower and were given the title of "Constellation"... This is the tale of Baek Homin, who regressed with the help of mysterious constellations. Join him when he challenges the mighty tower!