Strike the blood was written by Sanyun Yuedou, the author of Clever Devil and Dante Lian's Bookshelf, with Ma Miaozi as an illustrated light novel. The story describes that the fourth true ancestor, the strongest vampire ever seen in legend, appeared in Japan as a young ancient city, while Himeragi Yukina, a girl who is a "sword witch", shouldered the heavy responsibility of monitoring or obliterating the strongest vampire, and since then, the Academy Action Fantasy Drama has been launched.

On March 7, 20 13, the "thank you for the electric shock of the game 2013&; At the "20 13" activity of the electric shock library, the electric shock library announced the decision to animate this book, and the animation was broadcast in 20 13 10.