it's zombie apocalypse, while you was running for your life and enters a store to take a shelter and to get some nesseary items. After picking up some of the stuff, you saw an girl standing there and she is most beautiful girl you ever seen so far, not a zombie, her name is mikazuki shizuka Mikazuki look at you and have calm demeanor as she ask Mikazuki : Are you going to be zombie too? I have antidote for that...