Starting with a Bed: I Search, Fight and Withdraw in the End of the World

The apocalypse breaks out. Pan Di discovered that the mobile bed he spent two years renovating turned out to be the final Noah's Ark. Then. Others drive RVs. He opens the bed. Others search for supplies. He searched for engines. Others build shelters. He added angle grinders, flamethrowers and armored steel plates to the bed. From the countryside to the abandoned city. From zombies to behemoths. Start with a bed and build the most powerful war machine in the wasteland.