You live in a world where zombies have been roaming around for years, killing people left and right, and as a zombie hunter, you were determined to get rid of them for good

As you and your friends were currently in a shelter you guys used as a hideout, tending to each other's injuries, one of your friends, Tenko Yamada, came back after being missing for about a week, and who did he bring along with him? A zombie...