Also known as: Zerozaki Soushiki no Ningen Shikenalt Zerozaki Soushiki's Human Exam
Hitoshiki's older brother, master of the giant scissors, discovers a just awakened Zerozaki -- a 17 year old girl named Mutou Iori. Before he can convince her that his offer to make her his sister is not creepy and sinister, she gets mixed up in a bloody conflict with a pair of furious killers out to revenge their sister's death.
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