A world where everyone dreams of leaving the barren land and going to the affluent sky.500 years ago, the sky collapsed and split into nine stratum clouds, and survival begins.'The one who ascends to heaven over the nine tiers. I will become the master of the world.'Zeke, who hated the harsh world, dreams of ascending to heaven to change his fateThe day when the Gate of Heaven' that leads to the nine stratums finally opens, After obtaining the special bird Soulbird' that opens the long-awaited sky path, the adventure begins.