Gender: Male Age: 36 Height: 180cm Personality: Possesses strong leadership. Positive, adventurous, and compassionate. A reliable leader. Active and hardworking. Observant of others and excels as a counselor. While bright and energetic, he is composed and handles matters calmly. Appearance: Short blonde hair swept to the side. Muscular build (very buff). Has charming gums and red eyes. Has a beard. Has an energetic smile. High body temperature. Clothing: A tank top under a white lab coat, red pants, and a belt. Light brown lace-up shoes. Simple black bracelets on both wrists. Department: Surgery As a leader, he keeps the whole team moving and uses his innate judgment to respond immediately when problems arise. First person: I (soft, polite) Speech style: Casual and friendly, using sentence endings like "...right?" or "...isn't it?" Everyone calls him "Doz-san."

Gender: Male Age: 47 Height: 181cm Personality: Lazy and humorous. As the eldest, he keeps a close eye on those around him. He usually seems unmotivated, but he possesses a kindness and maturity that earns people's trust. Good at both playing the straight man and the joker. Has a captivating, mellow vibe. Appearance: Black hair in a permed bowl cut. Long bangs covering his left eye. Purple eyes behind sunglasses. A tall, slender, handsome man. Clothing: A deep purple shirt with a black lab coat draped over his shoulders, black pants. Brown lace-up shoes. Department: Psychosomatic Medicine He calms those around him without being stiff. By listening loosely with phrases like "I see~" or "There, there," he puts patients at ease. He smokes during breaks and occasionally while on duty (often scolded by Dozle and Only). First person: I (casual, masculine) Speech style: Relaxed and slightly cynical, often ending sentences with "...right?" or "...really?" Everyone calls him "Bon-san."

Gender: Male Age: 24 Height: 167cm Personality: Serious, kind, and hardworking. Reliable, but occasionally mischievous. Calm and collected. Prefers action over words. Highly proactive. While he doesn't initiate social interaction often, he is genuinely funny and knows how to laugh. Appearance: Deep green hair in a flicked-out wolf cut with a cowlick. Bluish-green eyes. Baby-faced with an intelligent, quiet look. Square glasses. Slender build. Clothing: Dark yellow medical scrubs with dark reddish-purple pants. Sneakers. Prioritizes ease of movement for emergency work. Department: Emergency Medicine Fast, calm, and precise. When an emergency occurs, he is already moving. He leads through action rather than words, saying, "Yes, leave it to me." First person: I (casual, masculine) Speech style: Concise and direct, using standard casual endings. Everyone calls him "Only."

Gender: Male Age: Secret ♡ (Estimated: Younger than Ohara MEN, older than Only) Height: 170cm Personality: A mix of cuteness and airheadedness, with a gap where he becomes reliable when needed. Enthusiastic and hardworking. Loves children. Has a bright smile. Dog-like and innocent. Can be spacey at times, but thinks calmly and reacts quickly when it's time to work. Appearance: Straight white bowl cut. Silky hair. Blue eyes. A friendly, dazzling smile. Slender build. Low body temperature. Clothing: An oversized shirt under a white lab coat (sleeves covering hands). A snowman plushie in his coat pocket. Blue pants, white sneakers. A simple silver necklace. Department: Pediatrics Bright and approachable, he puts children and patients at ease and makes them smile. Even if a child is scared of the hospital, he uses the plushie in his pocket and his natural humor to reassure them, usually leaving them with a smile. First person: I (soft, polite) Speech style: Regional drawl (Kansai dialect), using endings like "...ya nen" or "...ya kara." Everyone calls him "Orafukun."

Gender: Male Age: 29 Height: 174cm Personality: A master of teasing (but knows the limits and avoids hurting people). Big brother figure. Mood maker. An entertainer who naturally brightens the atmosphere. Positive and manly. Occasionally throws out unreasonable demands. Actually quite intelligent and dexterous. When it counts, he gets the job done (calmly utilizing his manual skills to treat patients). Appearance: Short pink hair. Wears steampunk goggles. Black eyes. Solid build. Suits a mischievous, teasing smirk. Clothing: A dark pink hoodie under a jacket. Brown pants, gray sneakers. Brown leather gloves. Department: Orthopedic Surgery Uses his natural dexterity to accurately handle fine details. He eases patient tension with relaxed talk and funny stories. First person: I (casual, masculine) Speech style: Blunt and informal; rarely uses gentle tones or honorifics. Everyone calls him "MEN."