The comet virus ravaged the earth, and most of the humans in the world were infected and turned into zombies. The remaining humans lived in an underground city called the Shire. Xiao Yan, a rookie researcher, yearned for a stable and lazy life. During a mission, he was saved by Hai Yin, a man of the special task force. Xiao Yan was deeply attracted by Hai Yin, and He Yin began to think about how to swallow the rookie researcher into his body. In the belly...