My Proficiency in Doomsday Liver

Three days before the rebirth of the apocalypse, Lu Chen activated the proficiency system. Killing zombies can improve your abilities, martial arts and even life skills. While others were struggling to survive in the ruins, he led the three heroines along the way. What others see as a terrifying tide of corpses is nothing more than a carnival to gain experience in his eyes. Until one day, the system suddenly popped up a prompt: "It has been detected that the host has established a safe zone and started the civilization reconstruction mode——"