Serve Party a as a Dog During the Day, and Let the Evil Ghost Call Him Daddy at Night

When Zhang Xing woke up, he was on the rooftop of the building, surrounded by people who had also appeared inexplicably. Weird young men in white, mysterious systems, and terrifying zombies appear one after another. Kill wandering zombies to gain Taoism and lifespan, and you can also recycle ghost weapons in exchange for lifespan that can be transferred as gifts. In this dangerous place, can Zhang Xing use the system to find a chance to escape from this terrifying space?