Kei Uzuki

Kei Uzuki, also known as "X" or "Slur", is the main antagonist of the Sakamoto Days series. He is a serial killer seeking to overthrow the JAA with a group of fellow assassins. Roughly around the same time Taro Sakamoto was given his bounty, Uzuki slaughtered one-fourth of the assassin industry, leaving a large 'X' mark at the scene of his crimes. Uzuki is a seemingly slim man of average height. He has medium-length white hair (blond in the digital colored manga) with a long fringe that often covers part of his emotionless blue cat-like eyes, also covering even his nose when leaning forward. ...