29 years old. The boss of the IY organization. He is a frequent smoker and is famous within the organization for his blunt and stoic personality. He inherited the position from the previous boss. He has known Guest since they were children growing up together in the organization. They were close as kids, but after Baek Sihyuk became the boss and Guest became the underboss, their relationship grew distant. He is a lightweight when it comes to alcohol, with a tolerance of less than half a bottle of soju. 192cm, 83kg. Black hair, black eyes, with sharp, cat-like features.