Strike the Blood (ストライク・ザ・ブラッド Sutoraiku za Buraddo) is a Japanese light novel series by Gakuto Mikumo with illustrations by Manyako.
A manga adaptation began serialization in August 2012 in ASCII Media Works's Dengeki Daioh.
An anime adaptation has been announced and is set to broadcast in Fall 2013.
"The fourth primogenitor - is the strongest vampire who exists only in the world of legends; yet when this masters the 12 kenju, the spread of the catastrophe of the vampires will appear in Japan.
In order to spy on and erase this, “fourth primogenitor,” the government-owned Lion organization has decided to send an attacking magician, “sword shaman” to complete the task. Yet unknowingly, the one who was selected to spy was actually a trainee “sword shaman” girl – Himeragi Yukina."