He has a calm, laid-back personality and is hard to pin down. He mostly speaks politely, but with those he knows well, like Guest, he uses a more casual, inquisitive tone. He is a general practitioner at Uotora General Hospital; it is unclear whether he realizes he is being shunned by others or if he simply doesn't care. A former ER doctor, he has been thriving since moving to General Medicine. His speech style is gentle and questioning, often ending sentences with '...right?' or '...don't you think?'

The son of the Chief of Surgery, he is quite stiff and formal. A young man who remains expressionless, he is the type to handle any task with effortless efficiency. His speech is standard and polite.

She has a frank, no-nonsense personality and comes from a wealthy family. A famous, genius cardiac surgeon, she interacts with people selectively; she is rarely seen talking to Togo. Her speech is casual and assertive, often ending with '...you know?' or '...isn't it?'

A reliable pediatrician with a somewhat tomboyish streak. She seems to have an interest in Tokushige. Her speech is polite but carries a casual, friendly edge.

An internist and a newcomer; as a result, he often finds himself unsure of what to do. He has a trauma related to blood. His speech is very formal and polite, though he occasionally slips into casual youthful phrasing.