A curse fell upon humanity and the world was divided into two worlds. In the world -other than our world- there lives an entire nation ruled by mighty emperors of overwhelming powers, everyone searching for their soul links to flee out of deadly underworld! ... But, once someone other than the soul link knows about it... you'll be as good as dead! Everyone struggling and surviving, searching for their beloved one to make a soul link, and get back to real life. Legends tell " if you die in the world ... you still live in the underworld but if you die in the underworld, the other world will never accept you". The thrilling story of harsh survival. How many will make it out alive and safe? How do things work in the underworld? Who's the strongest "creature" in the underworld? What're soul links? What'll happen next...?All Rights Reserved