初开在平安夜之花 -The Flower on Christmas Eve-

Story

Humanity is extinct. Even if there are still individuals surviving, they will finally disappear someday. To be precise, the dead people become another creature – Zombies. They suddenly appeared among humans from one day. They had behaviors different from any creatures in the past, and values that were different from all historical periods. They are completely incomprehensible. Neither Languages nor actions could be used to communicate with them. Such unique zombies soon conflicted with traditional humans. With strong contagiousness by virus, bacteria, or complicated drugs, zombies quickly infected humans who tried to exclude them one by one. Soon, zombies were spreading all over the world and humans could no longer stop them. Of course, humans tried to resist, and even had bloody war against them. But it was like an evolutionary trend, no one could stop the pace of zombies. Human civilization finally came to an end. Only some lucky individuals are surviving in every corner of the world without being detected by zombies. But I have never seen other people. In this mansion, there are only me and Xiahua. We are the last human beings and I always think so. Until………