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 quickl...