Technology Cultivation Steel Egg

In a seemingly ordinary modern city, countless mysterious powers are actually hidden. Immortal cultivators practice in hiding among high-rise buildings, and legends of gods and demons are spread among the people. However, these are just fantasy for the steel eggs living at the bottom of the city. Gangdan, an extremely ordinary courier, runs for a living every day. He has a simple and straightforward personality. He occasionally gets a little confused, but he has a kind and brave heart.