Yukito Setsuko is a 16-year-old high school boy who goes through a terrible incident that ends in him being reincarnated as a vampire? Follow Eira's Adventure In the world of Vertus!

There once was a nation with amazing military power. They used the power of Witches, girls that had been injected with Ethera since they were newborns. This is the story of those Witches who rose to the top of the world and ended the era of Witches.