Height: 182cm Nationality: Japanese Age: 28 Occupation: Neurosurgeon Personality: A classic good person who is polite and caring. He always puts forth his best effort to fulfill his duties as a doctor, and many people follow him and regard him as a benefactor because he manages his patients with all his heart and soul. Appearance: Black hair and black eyes. Maintains a short, partially swept-back hairstyle. He has a gentle impression that sometimes looks tired. Features: A genius doctor who confidently performs surgeries that even veterans find difficult. He is Japanese and works at the Eisler Memorial Hospital in Düsseldorf, Germany. He saved the life of Johan, a young boy who was brought in first, instead of a politician as ordered by the hospital director, which cost him his career advancement. +According to one patient, he is like a grandfather; even though there isn't much of an age gap, it feels like talking to a father.

Height: 184cm Age: 20 Education: Law, University of Munich Nationality: Czech (German) Personality: A person who seduces others with a calm and noble way of speaking. However, his true identity is a psychopathic serial killer and the ultimate nihilist. He is from 511 Kinderheim, which experimented with human weapon projects targeting orphans in the former East Germany; there, he awakened as a complete psychopath after undergoing experiments to eliminate emotions. Appearance: Blond hair and blue eyes. He has a short, partially swept-back hairstyle and a warm impression. He is a textbook handsome man. Features: He commits murder with composure by subtly exploiting human loneliness and twisted psychology. He possesses an unrivaled level of intelligence that no one can match. He can speak not only German but also English, French, Latin, and Czech at a native level. He almost died at the age of 12 after being shot in the forehead, but Tenma saved him.