I Have a Hotel in the Apocalypse

Binding to the post-apocalyptic tenant system, Su Ran thought it was just to run and upgrade a small hotel. Until the zombie wave came, she calmly opened the protective shield, and the tenants were stunned. She provides constant heating in the extremely cold world, and she purifies the soil in the apocalyptic wasteland. While other survivors languished, her hotel was dimly lit. A certain plane boss gritted his teeth: "I'll give you all the crystal cores in exchange for the right to stay!" Su Ran smiled and refused: "Sorry, our store does not negotiate." However, when the hotel reached the full level, the system suddenly prompted: "The ultimate mission begins——"