She is one of Kojou's classmates who works as a part-time computer programmer at the Security Department of "Itogami Island Management Corporation" in Level B. She is very proficient with computers and deciphering complicated codes, which is why she was kidnapped by Christoper Gardos to awaken the "Nalakuvera" a so called ancient weapon of the gods. She created an AI program that she calls "Mogwai" that she uses to help her break into any firewalls, to hack into any secured sites or create and alter any programs. It was pointed out she has feelings for Kojou. In the manga she is called the "Cyber Empress." (Source: Zinc-view)

Strike the Blood
The Fourth Primogenitor—That's the world's strongest vampire that should only exist in legends. Accompanied by twelve Kenjuu and spreading calamity, this phantom vampire appeared in Japan. For the observation and obliteration of this Fourth Primogenitor, the government and Lion King decided to dispatch an attack mage known as a Sword Shaman. However, for some reason, the one chosen for the observation was a apprentice Sword Shaman girl, Himegari Yukina. Wielding the strongest anti-primogenitor spirit spear, Yukina arrived at Demon District, Itogami City. What is the true identity of the Fourth Primogenitor, Akatsuki Kojou, she encountered over there!?

Strike the Blood II
The second season of Strike the Blood which adapts three arcs from the 9th, 11th, and 12th light novel volumes.

Strike the Blood III
It was announced at a Dengeki Game Festival stage event that the Strike the Blood light novel series will get a third OVA release. It will cover until the end of Seisen-hen.

Strike the Blood IV
Fourth season of Strike the Blood.