Every year they are injected. Haru wants to know why. December 31st is the most dreaded date in Haru Emiri's messed up country known by the name of Fen. Every single person, no matter if you're a just newborn babe or a trembling elder, must be injected with the needle. Nothing changes after the shot, or so it seems. There are no aftereffects such as hallucinations, only the overwhelming sense of relief that it is over. That you lived through it. Even though it was just a shot. "Pointless," one might think. Wintre's lucky, and so are all the other companions in the country. They don't have to be injected; they don't have to feel the short pain of the Vaccination. But maybe that's because they don't have whatever disease or sickness the humans have, so they don't have to be treated for it. Or maybe, the creatures would be simply too hard to keep under control.