Before the End of the World, I Drank Wild Dog Milk

The world has been dominated by all kinds of nameless monsters. In a desperate situation, Lu Chen unexpectedly discovered that he had immortality. Fight through the apocalypse with an immortal body. It is about seeking the secret of one's own immortality and finding the lost family members. Or explore the truth of the end of the world and protect the remaining human race. Or will he suffer a mental breakdown and become an indescribable monster...? All of this starts with that mysterious bottle of dog milk. [Apocalyptic + fantasy + genre + multiple heroines]