ななこ

The spirit of Ciel's weapon, the Seventh Holy Scripture; referred to as "Seven" by Ciel, but nicknamed "Nanako" by Arihiko. She has hoofed feet and a horse tail. She also has the ability to transform into a winged horse, and is quite scared of her master, Ciel. She is a combination of the spirit of a girl from a poor family who willingly offered her life as a sacrifice to be combined with the spirit of a unicorn's horn./

From url=http://en.wikipedia.org/wiki/List_of_Tsukihime_characters#Minor_characters.