Kouma Kishima (軋間 紅摩, Kishima Kōma?) is the man who eliminated the Nanaya clan under orders of Makihisa Tohno. He is a member of the Kishima clan, a clan which is a sub-family of the Tohnos but with much stronger demon blood running through them. He is briefly mentioned in Tsukihime, and first appears in Kagetsu Tohya, and later as a playable character in Melty Blood Act Cadenza and Actress Again.