Foreign gods invaded. In order to stop the foreign gods, the gods fought in the heavens and sealed the road to heaven in order not to affect the mortal world. Because the intensity of the battle was too great, some minor gods could not participate and could only go down to the mortal world to help the common people. However, the mortal world still complained endlessly. In order to help the world overcome the sufferings of the mortal world, the protagonist looked for the gods and relied on the sanatorium provided by the system to help the gods in the heavens survive the crisis.