This is the Youmu Konpaku papercraft, she is a half-human, half-ghost character based on the Touhou Project. If you don't have a clue as to what it is, here's an entry about the Touhou Project that might enlighten you. As you can see from the pic above, Youmu Konpaku is a swordswoman by trade and that sperm looking thing sticking out of her back is the ghost.
Touhou Project - Youmu Konpaku Papercraft [tfrog]
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