Koko Hekmatyar (ココ・ヘクマティアル Koko Hekumatiaru?) is the protagonist of Jormungand. She is a young arms dealer who is the daughter of a Floyd Hekmatyar and the younger sister of Kasper Hekmatyar. A member of HCLI's Europe/African Weapons Transport Division, Koko leads a squad of bodyguards with whom she travels the world conducting business. The Jormungand plan, a secret project between her and her best friend Dr. Minami Amada provides the context behind her actions.
Source: Wiki