The anime namesake and the main female lead, Shion is tasked with hunting down and killing Geists.  Yet when she is saved by the Geist infected Hiroki she returns the favor and tells Hiroki that she will not kill him for now because he has a strong heart that is able to resist the Giest.  Shion eventually falls in Love with Hiroki.   ~! She dies at the end by Infinity. Infinity claimed that he was &quot;built&quot; to kill the Wolf Giest. !~

Based on the erotic game by Lilith Mist. 
 
Are you still... a human being? 
 
The girl who adores cosplay appeared before you, but you did not know who she actually was. She was staring mutely at me. Unfriendly at all, though she was wearing funny clothes. 
My life was completely changed by the encounter with the beautiful girl Sion who once attempted to kill me... 
 
(Source: DLsite English)

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She is a voice actress and currently a freelancer.
