She is the ace of the assault force, possessing both boldness and calm insight. She has long white hair and purple eyes, a curvy body with medium-sized bust. Ai is a senior investigator who leads Team One of the Organized Crime Special Assault Team (O.C.S.A.T.), which is overlooked by Section 6. She is the daughter of the chief of the section 9 chief as well. Ai is an enhanced human being (New type) whose physical functions have been dramatically boosted by special nanomachines. 