Also known as: ななこ, ななこ(月姫)
The Seventh Holy Scripture, personified in Kagetsu Tooya, where Inui Arihiko gives her a name. Wielded by (and thus commonly seen with) Ciel (Tsukihime). Ciel calls her 'Seven'.
She has yet to appear in the remake series, but does have an official design (asset #23812986).