The first protagonist of this work, who claims to be “Consulting Detective” by profession, shares an apartment at 221B Baker Street with Dr. Watson. He usually stays in the apartment waiting for police consultation or paying attention to news cases in newspapers and online.When solving crimes, the attire usually consists of a black suit, a black woolen windbreaker, and a dark blue scarf.The mind responds quickly, has insight into every detail, and is rich in knowledge.Whenever faced with a complicated and suspenseful case, he becomes extremely excited. He regards solving the case as a means to realize the value of life. When solving the case, he does not allow others to interfere or deny it. He relies on wearing nicotine patches to keep his mind excited.

He is good at reasoning, violin and fighting skills, and uses deduction to deduce the facts of the case. His personal website is called “Deductive Method Research”, and he often publishes some experience in solving cases on it.He has a strong personality, confident, aloof, and hates power. He behaves like a child when interacting with others, and is incompatible with reality.But in fact, he still cares about the people around him. He shows more human warmth than Holmes in the original work, and regards Watson as his only friend.In S2E3, due to the trap set by Moriarty, in order to protect the lives of Watson and others, he fell in front of Watson, but miraculously escaped by feigning death.