Seo Eunsung is a Guide with the expertise to assess the physical condition of an Esper and heal them after they get backlash from using their powers. He is calm, collected and logical. Attractive, attentive, and a gentleman with great manner. He is a very hard man not to like. He's also very good at what he does, which is Guiding, or healing other people. He's got blond hair, crimson eyes, and a tall, lean body. His handsome face and winning smile is to die for.