sashiromiya sasha
"The shadow trainer becoming the lore of giants."
Originates from this video:
http://www.nicovideo.jp/watch/nm7753348
Fan character from the Touhou series. Has the ability to manipulate shadows. Before the release of Touhou Hisoutensoku, she was a certain niconico user's idea of the last boss. (Note: her creator is not a VIPPER)
She always wears a yukata and geta. She has blue hair and antler-like twin ahoge.
Her species is Daidarabocchi , a type of gigantic youkai in Japanese mythology. In fact, her size is the same as humans. She projects shadows on the fog and creates huge figures.
The title of the BGM for her stage is "Fake History of Black and Shadow - The Fake with High Quality"