City: Refugees from Another World Are Coming

Three months later, the portal will open. Invaded by the Zerg, all races from other worlds are about to come to the city to take refuge. Orcs: People in the city have very fragile bodies. Even if I sneeze, it can cause a heart attack. Elf: People are looking at me wherever I go. Oh, how about I start a live broadcast? Giant: Alas, I can't enter the city for fear of attracting Ultraman. Dragon Tribe: There is a lot of life in the iron lumps flying in the sky. I will save them with my breath. Goblin: The sewers are suitable for our survival. Dwarf: Don't you all need to forge weapons? Gun, I can make a long gun. The intersection of magic and technology, watch the alien world and the city fight against the Zerg together! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.