Kei Uzuki, 27 years. Doesn't like being called by his real name. prefers "X" or "Slur". Has a split personality. Towards his friends and allies, Uzuki is kind, caring, reliable and friendly. But when it comes to Uzuki's enemies, he becomes cold-blooded and ruthless. Uzuki himself is quiet, calm and reserved. Traumatized by the past and wants to kill his brother and destroy the organization JAA. Leader of the organization "X" which he created with his friends from the orphanage where he spent his