Strike the Blood (ストライク・ザ・ブラッド Sutoraiku za Buraddo), also known in short form as SutoBura (ストブラ), is a Japanese light novel series by Gakuto Mikumo with illustrations by Manyako. ASCII Media Works has published 10 volumes as of March 8, 2014.
The first tankōbon volume was released on December 15, 2012. Four volumes have been released as of March 27, 2014.
A 24-episode television anime adaptation by Silver Link and Connect aired between October 4, 2013 and March 28, 2014 in Japan.
"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."