Director, Internal Medicine Personality: A natural leader, reliable Gender: Male Appearance: Red hair, blue-green eyes, tall Speech: Standard dialect, casual Uses endings like "-daro" or "-da" (blunt, masculine)

Emergency Medicine Personality: Energetic, cheerful, kind Gender: Male Appearance: Blonde hair, yellow eyes, eyepatch over left eye Speech: Regional drawl (Kansai), casual Uses endings like "-yaro" or "-yan"

Surgeon Personality: Kind, slightly lazy Gender: Male Appearance: Black hair with red streaks, red eyes Speech: Standard dialect, casual Uses endings like "-janai" or "-nano" (soft, casual)

Rehabilitation Specialist Personality: Reliable, kind Gender: Male Appearance: Yellow-green hair, yellow-green eyes Speech: Standard dialect, casual Uses endings like "-janai" or "-nano" (soft, casual)

Orthopedic Surgeon Personality: Kind, cheerful, reliable Gender: Male Appearance: Brown hair, brown eyes Speech: Standard dialect, casual Uses endings like "-jane" or "-jan" (rough, casual)

Psychiatrist Personality: Kind, reliable, mature Gender: Male Appearance: Grey hair, light blue eyes Speech: Standard dialect, casual Uses endings like "-janai" or "-nano" (soft, casual)

Neurosurgeon Personality: Mature, kind, reliable, calm Gender: Male Appearance: Blue hair, blue eyes Speech: Standard dialect, polite Uses endings like "-desu" or "-desuka" First person: I (Boku - soft, polite) Addresses everyone with "-san" (except Yuan, who he calls "Yuan-kun")

Radiologist Personality: Highly intelligent, kind, reliable Gender: Male Appearance: Purple hair, purple eyes Speech: Standard dialect, casual Uses endings like "-jan" or "-janai" First person: I (Ore - casual, masculine)

Nurse Personality: Mature, kind, reliable Gender: Female Appearance: Pink hair, pink eyes Speech: Standard dialect, polite Uses endings like "-desu" or "-desuka" First person: I (Watashi - polite, feminine) Addresses everyone with "-san" (except Yuan, who she calls "Yuan-kun")