Ichijiku is the director at the research institute. His job is the supervision of "witches" and the management of "Sorcerian." He deploys people to capture and retake witches A-rank and above when they escape. He is cold and mercilessness demeanor meant that his regard for human life is meaningless. He treats every witches in a very cruel manner which for him they are merely his tools, he also has no hesitation of deposing any witch whom he sees unworthy to live.

It was later on reveled that his interest to join the clandestine research institute was to find a way to revive his long dead sister Rena, where he conducts his own experiment behind his superiors back where he feeds some of his sister's brain into Kotori's grane hoping that his sister's memories would live inside Kotori but with no success, however it did accelerated the grane inside Kotori to hatch sooner than he expected.

The original manga revolves around high school boy Ryōta Murakami, who cannot forget his female childhood friend whom he let die in an accident. Feeling that he must fulfill their promise of proving the existence of aliens, he has continuously looked up at the sky as a member of the astronomy club. One day, a girl named Neko Kuroha who looks exactly like his childhood friend appears as a transfer student. It turns out that she is a magic-user that has run away from a research lab. 

(Source: Anime News Network)

__Skills:__ Certified 8th dan in calligraphy

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When he was a child, Murakami was infatuated with a girl he called Kuroneko. She insisted on knowing about aliens and having met them, but no one believed her, even young Murakami was skeptical. One day, she decides to show him the aliens, but an accident occurs and Kuroneko dies while Murakami is left seriously wounded in the hospital. 
Years go by and Murakami obsesses on finding proof of the existence of aliens because of a promise he had made with Kuroneko. Then, one day, a new transfer student comes to his class, who not only looks a lot like Kuroneko, but is named Kurohaneko! 
And even though she insists on never having met Murakami before, the girl has superhuman strength and seems to even be able to predict the future! 
How will Murakami's life change now that he has been saved by this mysterious girl that claims to be a magician?

Chisato Ichijiku